- #1 Aliens: Dark Descent
97% matchVery Positive88% of 18,082 reviews2023
Dev: Tindalos InteractivePub: Focus Entertainment
Windows
Median: 4.3 hrsMean: 15.1 hrs≥1hr: 87%
Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe.
Why similar: Real Time Tactics 31%, Aliens 20%, Tactical 17.5%, Sci-fi 12.3%, Strategy 12.2%
Why You'll Like It: This game offers the closest experience to Red Solstice 2 by focusing on real-time tactical squad command against terrifying alien swarms.
- #2 The Red Solstice
96% matchMostly Positive71% of 2,555 reviews2015
Dev: Ironward
Windows
Median: 3.2 hrsMean: 9.8 hrs≥1hr: 88%
2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a tense, tactical, squad-based action game. Fight to survive with up to 8 players in co-op, or lead your own squad in single-player mode.
Why similar: Real Time Tactics 12.4%, Strategy RPG 12.1%, Aliens 11.3%, Team-Based 9.9%, Zombies 9.2%
Why You'll Like It: The predecessor to the seed game, offering a similar tactical, sci-fi, and squad-based survival experience.
- #3 Aliens: Fireteam Elite
96% matchMostly Positive80% of 26,611 reviews2021
Dev: Cold Iron Studios
Windows
Median: 4.7 hrsMean: 17.8 hrs≥1hr: 87%
Aliens: Fireteam Elite is a cooperative third-person survival game set in the iconic Alien Universe. Battle through hordes of different types of Xenomorph, customize your character and gear, and level-up as you try to contain this ever-growing threat.
Why similar: Aliens 22%, Co-op 13.7%, Online Co-Op 11.5%, Character Customization 11.4%, Co-op Campaign 9.5% ★
Why You'll Like It: A high-octane co-op shooter that captures the intense sci-fi horror atmosphere and combat feel of the Red Solstice series.
- #4 Natural Selection 2
95% matchVery Positive85% of 13,335 reviews2012
Dev: Unknown Worlds Entertainment
Windows
Median: 2.9 hrsMean: 24.2 hrs≥1hr: 85%
A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!
Why similar: Team-Based 29%, Aliens 17.1%, Multiplayer 15.2%, Sci-fi 9.8%, Strategy 9.4%
Why You'll Like It: Combines real-time strategy with first-person shooter mechanics in an asymmetric multiplayer sci-fi setting.
- #5 Alien Swarm: Reactive Drop
94% matchVery Positive95% of 23,565 reviews2017
Dev: Reactive Drop Team
Windows
Median: 1.7 hrsMean: 9.9 hrs≥1hr: 63%
Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.
Why similar: Aliens 27.6%, Top-Down Shooter 15.8%, Co-op 15.6%, Third Person 14.7%, Tactical 13.6%
Why You'll Like It: A quintessential top-down, squad-based tactical shooter that emphasizes co-op coordination against alien hordes.
- #6 Starship Troopers: Terran Command
94% matchVery Positive87% of 11,807 reviews2022
Dev: The ArtistocratsPub: Slitherine Ltd.
Windows
Median: 3.4 hrsMean: 10.2 hrs≥1hr: 83%
Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes!
Why similar: Strategy 29.5%, Tactical 23.9%, Sci-fi 19.1%, Aliens 16.5%, Real Time Tactics 6.8%
Why You'll Like It: A real-time strategy game that focuses on tactical positioning and managing squads against massive waves of insectoid enemies.
- #7 Warhammer 40,000: Chaos Gate - Daemonhunters
93% matchMostly Positive77% of 14,276 reviews2022
Dev: Complex GamesPub: Frontier Foundry
Windows
Median: 5.2 hrsMean: 19.7 hrs≥1hr: 88%
Lead humanity’s greatest weapon, the Grey Knights, in this fast-paced turn-based tactical RPG. Root out and purge a galaxy-spanning plague in a cinematic, story-driven campaign, using the tactics and talents of your own personalised squad of Daemonhunters.
Why similar: Strategy RPG 35.8%, Tactical 13.9%, Character Customization 13.8%, Third Person 10.6%, Sci-fi 7.7%
Why You'll Like It: Features deep squad-based tactical combat with a dark, futuristic aesthetic that mirrors the intensity of Red Solstice.
- #8 Door Kickers 2: Task Force North
91% matchOverwhelmingly Positive96% of 13,016 reviews2025
Dev: KillHouse Games
Windows · Mac
Median: 6.6 hrsMean: 27.2 hrs≥1hr: 82%
Command military Special Ops Teams in gripping tactical combat against a Middle East-based terrorist network. Sequel to RockPaperShotgun's "Best Tactics Game of 2014".
Why similar: Real Time Tactics 35.1%, Tactical 18.8%, Co-op 14.1%, Top-Down Shooter 12.3%, Multiplayer 10%
Why You'll Like It: Provides deep real-time tactical planning and squad control in a high-stakes combat environment.
- #9 Phoenix Point
92% matchMostly Positive73% of 7,018 reviews2020
Dev: Snapshot Games Inc.
Windows · Mac
Median: 5.5 hrsMean: 18.1 hrs≥1hr: 92%
The acclaimed strategy game from the creator of X-COM. Fight tactical battles on procedural maps against a foe that adapts to your tactics. Manage diplomacy and economy on a global scale. Research, explore, overcome. Now includes Steam Workshop support for mods!
Why similar: Aliens 24.8%, Procedural Generation 17.4%, Tactical 14.5%, Character Customization 14.3%, Third Person 13.1%
Why You'll Like It: Offers complex tactical squad management and base defense against evolving alien threats.
- #10 Strain Tactics
91% matchVery Positive85% of 240 reviews2017
Dev: Touch Dimensions Interactive
Windows
Median: 3.0 hrsMean: 10.3 hrs≥1hr: 63%
Strain Tactics is a real-time-with-pause tactical game, where you command a squad of soldiers to liberate earth from an alien infestation. Using your helibase, deploy your custom squad and provide air support. Remember to keep your crew sane and motivated while staying clear of alien contamination!
Why similar: Real Time Tactics 25.5%, Zombies 21.8%, Aliens 16.6%, Top-Down Shooter 11.4%, Strategy 10.9%
Why You'll Like It: A real-time tactical game that tasks players with managing a squad of soldiers against alien infestations.
- #11 They Are Billions
90% matchVery Positive85% of 50,888 reviews2019
Dev: Numantian Games
Windows
Median: 14.2 hrsMean: 56.2 hrs≥1hr: 91%
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
Why similar: Zombies 68.9%, Strategy 20.9%, Tactical 8.3%, Singleplayer 1.9%
Why You'll Like It: A real-time strategy game centered on building defenses and managing units to survive against massive zombie hordes.
- #12 Age of Darkness: Final Stand
88% matchMostly Positive75% of 10,488 reviews2025
Dev: PlaySide
Windows
Median: 5.5 hrsMean: 13.8 hrs≥1hr: 84%
Age of Darkness: Final Stand is a dark fantasy survival RTS where you must illuminate, build and defend humanity’s last bastion against hordes of Nightmares. Set in the remnants of a kingdom consumed by a deadly fog, you decide. Will you hide in the light? Or take back your world.
Why similar: Tactical 27.1%, Co-op 23.7%, Multiplayer 20%, Strategy 17%, Atmospheric 12.1%
Why You'll Like It: A survival-focused real-time strategy game that challenges players to defend against thousands of enemies simultaneously.
- #13 Survivor Squad
89% matchMixed69% of 884 reviews2015
Dev: Endless Loop Studios
Windows · Mac · Linux
Median: 2.3 hrsMean: 4.0 hrs≥1hr: 92%
Survivor Squad is a Strategy Action game where you control a Squad of up to four survivors and guide them through a highly randomized world looking for supplies to aid you on your journey.
Why similar: Zombies 49.9%, Strategy 15.4%, Real Time Tactics 15.3%, Multiplayer 9.9%, Procedural Generation 8.1%
Why You'll Like It: A strategy-focused game where you manage a group of survivors in a post-apocalyptic world.
- #14 Atom Zombie Smasher
89% matchVery Positive90% of 2,090 reviews2011
Dev: Blendo Games
Windows · Mac · Linux
Median: 1.2 hrsMean: 4.0 hrs≥1hr: 52%
The zombie apocalypse is upon us and it's up to you to evacuate everyone before they fall prey to the undead. Conduct massive rescue operations with a helping hand from snipers, artillery crews, orbital bombardments, and more.
Why similar: Real Time Tactics 26.4%, Zombies 24.3%, Procedural Generation 15.1%, Tactical 9.5%, Co-op 9.5%
Why You'll Like It: A unique real-time tactical game that requires strategic deployment of units to rescue civilians from zombie outbreaks.
- #15 USC: Counterforce
86% matchMixed67% of 236 reviews2024
Dev: Angry Cat StudiosPub: Firesquid
Windows
Lead your Space Commandos in a revival of turn-based squad tactics inspired by UFO/XCOM and Aliens. Utilize in-depth skill & combat systems in multiple game modes, including a full campaign. Discover the truth behind the demise of colony MC83-A and join the USC in defending humanity!
Why similar: Strategy RPG 27.8%, Procedural Generation 14.5%, Character Customization 11.9%, Multiplayer 11%, Tactical 10.5%
Why You'll Like It: A tactical survival game that focuses on squad management and base defense against alien lifeforms.
- #16 Solstice Chronicles: MIA
87% matchMostly Positive75% of 315 reviews2017
Dev: Ironward
Windows
Median: 4.5 hrsMean: 5.0 hrs≥1hr: 89%
In this 2-player twin-stick shooter, use a friendly drone for a game-changing abilities. Survive waves, upgrade, and uncover the mystery in this cooperative, action-packed experience.
Why similar: Zombies 21.1%, Aliens 18.6%, Futuristic 15.9%, Top-Down Shooter 13.4%, Co-op 9.6%
Why You'll Like It: Set in the same universe as the seed game, this title focuses on top-down action and survival tactics.
- #17 Cepheus Protocol
86% matchMostly Positive76% of 3,586 reviews2020
Dev: Halcyon Winds
Windows
Median: 3.6 hrsMean: 9.6 hrs≥1hr: 91%
Cepheus Protocol is an Open World RTS Military Survival Game. Play as the CERC hunting Patient 0, maintain Quarantine camps, fight dangerous mutations & Rogue Civilian Combatants . There’s nobody else coming, it’s up to you now.
Why similar: Zombies 54.5%, Real Time Tactics 18.9%, Strategy 13.2%, Tactical 10.5%, Singleplayer 3%
Why You'll Like It: A real-time strategy game that emphasizes large-scale zombie survival and tactical unit management.
- #18 SYNTHETIK: Legion Rising
84% matchVery Positive94% of 13,046 reviews2018
Dev: Flow Fire Games
Windows
Median: 5.6 hrsMean: 15.5 hrs≥1hr: 87%
SYNTHETIK is an unforgiving tactical shooter rogue-lite where freedom and experimentation is key. Fight in a world overrun by the Machine Legion and their Gods. Experience the next level in gun-play and dive into unparalleled build options and Android upgrades. Can you defeat the Heart of Armageddon?
Why similar: Top-Down Shooter 37.3%, Online Co-Op 30.2%, Co-op 15.6%, Multiplayer 9%, Tactical 6.8%
Why You'll Like It: A tactical top-down shooter that emphasizes precise weapon mechanics and strategic movement.
- #19 Dead Age 2: The Zombie Survival RPG
85% matchMostly Positive76% of 1,324 reviews2021
Dev: Silent DreamsPub: Headup
Windows · Mac · Linux
Median: 3.3 hrsMean: 6.7 hrs≥1hr: 89%
The successful indie survival RPG "Dead Age" is back with a vengeance! No other game offers this mix of role-playing, rogue-like, fast-paced turn-based combat and survival all in one. Inspired by Darkest Dungeon, Fallout 1+2, This War of Mine and The Walking Dead.
Why similar: Zombies 64.1%, RPG 15.9%, Strategy 14%, Atmospheric 5.2%, Singleplayer 0.9%
Why You'll Like It: Combines party-based RPG mechanics with strategic survival choices in a zombie-infested world.
- #20 Chromosome Evil 2
82% matchVery Positive88% of 265 reviews2024
Dev: S.C. 16 BIT NIGHTS S.R.L.
Windows
Dive deep into this Lovecraft-inspired RTS survival for a second time. Assemble your strike team and manage your convoy. It's up to you to survive the onslaught of nightmares that are surely coming your way. Will you find the source of the darkness?
Why similar: Aliens 45.4%, Strategy 17.7%, Character Customization 14.2%, Sci-fi 9.8%, RPG 5.6%
Why You'll Like It: A real-time strategy game that emphasizes dark survival themes and tactical decision-making.
- #21 M.E.R.C.
84% matchMixed63% of 60 reviews2017
Dev: TinyMob Games
Windows
Experience non-stop, real-time tactical combat with a 4-person squad. Upgrade and recruit units, enhance special abilities, while acquiring better weapons and gear. Take your toughest recruits into action in single player or co-op multiplayer and save humanity from the suppressive Manta force.
Why similar: Real Time Tactics 34.2%, Strategy RPG 27.2%, Tactical 14.4%, Multiplayer 12.1%, Strategy 12.1%
Why You'll Like It: A real-time tactical game focused on managing a squad of mercenaries in a futuristic combat scenario.
- #22 Special Tactics
83% matchVery Positive83% of 126 reviews2016
Dev: Beast Mode Games
Windows
Median: 48 minMean: 5.6 hrs≥1hr: 43%
ST brings the most intense, tactical-action experience to Steam. Select your custom loadout, plan out strategies and accomplish your objectives. Addictive Survival mode and unrivaled multiplayer including Squads (1 vs 1, 2 vs 2, 2 vs 1)
Why similar: Real Time Tactics 32%, Online Co-Op 14.2%, Tactical 13.4%, Top-Down Shooter 12.6%, Co-op 12%
Why You'll Like It: Focuses on real-time tactical squad control and simulation-style combat planning.
- #23 Spaceland: Sci-Fi Indie Tactics
82% matchMostly Positive77% of 410 reviews2019
Dev: Tortuga Team
Windows
Median: 3.1 hrsMean: 5.4 hrs≥1hr: 82%
Incredibly dynamic turn-based strategy, reviving the traditions of the old school tactics. Lead a team of the most desperate fighters, destroy alien monsters and uncover the secrets of the lost planet.
Why similar: Strategy RPG 19.9%, Aliens 16.2%, Futuristic 12.1%, Co-op 10.5%, Online Co-Op 8.6%
Why You'll Like It: A squad-based tactical game with a sci-fi theme that emphasizes turn-based positioning.
- #24 Deadly Days
80% matchVery Positive86% of 1,891 reviews2019
Dev: Pixelsplit
Windows · Mac · Linux
Median: 3.8 hrsMean: 6.3 hrs≥1hr: 89%
Deadly Days is a unique strategic rogue-lite in the zombie apocalypse. Manage and protect a group of survivors and help them to stop the catastrophe. Discover and use a large number of wild and crazy objects, even wilder and crazier survivors, special abilities, and deadly weapons.
Why similar: Zombies 62.9%, Strategy 18%, Procedural Generation 12.2%, Tactical 5.4%, Singleplayer 1.4%
Why You'll Like It: A tactical zombie survival game with roguelite elements that requires careful management of your squad.
- #25 Infectonator: Survivors
81% matchMixed67% of 1,157 reviews2016
Dev: Toge Productions
Windows · Mac
Median: 3.1 hrsMean: 5.4 hrs≥1hr: 87%
"Infectonator : Survivors" is a Randomized Permadeath Survival Simulator that combines RTS, Tower Defense, Roguelike, and Management-Simulation gameplay. The goal is to lead a group of survivors in a struggle to stay alive and find rescue in a zombie apocalyptic world.
Why similar: Zombies 58.6%, Strategy 16.4%, Procedural Generation 10.9%, RPG 9.9%, Multiplayer 3.3%
Why You'll Like It: A strategy-survival game that tasks players with managing a group of survivors in a zombie-ridden world.
- #26 Envy the Dead
81% matchMixed66% of 244 reviews2016
Dev: Kazakov Oleg
Windows
Median: 3.1 hrsMean: 5.5 hrs≥1hr: 87%
Envy the Dead is zombie survival roguelike, in which you are leading group of unique, randomly generated characters through destroyed lands, infested with zombies.
Why similar: Zombies 33.8%, Real Time Tactics 18%, RPG 14.1%, Strategy 11%, Procedural Generation 10%
Why You'll Like It: A strategy-simulation game that focuses on managing resources and squad members during a zombie apocalypse.
- #27 Brigador: Up-Armored Edition
78% matchVery Positive93% of 5,728 reviews2016
Dev: Stellar Jockeys
Windows · Mac · Linux
Median: 3.1 hrsMean: 6.7 hrs≥1hr: 82%
Pilot a mech to hunt down and destroy the oppressive government of a cyberpunk autocracy. In this fast-paced, top-down shooter, use overwhelming firepower to destroy columns of tanks and level buildings. Unlock up to 56 unique vehicles and 40 weapons.
Why similar: Top-Down Shooter 46%, Sci-fi 38.4%, Atmospheric 15.6%
Why You'll Like It: A tactical sci-fi game that features intense combat and a heavy, atmospheric environment.
- #28 Phantom Squad
75% matchVery Positive82% of 512 reviews2025
Dev: Ctrl FreakPub: Super Rare Originals
Windows
Median: 2.4 hrsMean: 4.5 hrs≥1hr: 72%
Phantom Squad is a 1-4 player co-op tactical top-down shooter blending fast-paced combat with real-time strategy. Play solo or team up through online co-op and matchmaking, coordinating movement, positioning, and split-second decisions to survive intense, high-risk missions.
Why similar: Real Time Tactics 25.4%, Co-op Campaign 19.4% ★, Co-op 18.2%, Tactical 16.4%, Top-Down Shooter 11.7%
- #29 Ultimate Zombie Defense
76% matchVery Positive85% of 4,703 reviews2020
Dev: Terror Dog Studio
Windows · Mac
Median: 1.9 hrsMean: 8.1 hrs≥1hr: 66%
Team up or face it alone in this top down zombie slaying defense adventure! Featuring up to 4 player online co-op, cleanse the infected wave by wave and upgrade your base with traps & defenses to build the Ultimate Zombie Defense. Can YOU stop them?
Why similar: Zombies 36.4%, Online Co-Op 16.1%, Top-Down Shooter 11.5%, Co-op 11.1%, Team-Based 9.8%
- #30 Interregnum: False Prophet
77% matchMixed59% of 58 reviews2024
Dev: Spacewalkers
Windows
A tactical, turn-based strategy game in a post-apocalyptic world of eternal winter. As the titular False Prophet, recruit and lead a group of survivors to a promised land. Loot, craft, and make the best of what you find.
Why similar: Strategy RPG 24.2%, Aliens 18.3%, Futuristic 12.9%, Tactical 10.6%, Character Customization 10.4%
- #31 DG2: Defense Grid 2
77% matchVery Positive86% of 3,392 reviews2014
Dev: Hidden Path Entertainment
Windows
Median: 5.9 hrsMean: 11.3 hrs≥1hr: 89%
Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.
Why similar: Real Time Tactics 22.8%, Aliens 19.6%, Tactical 11.3%, Sci-fi 10.5%, Co-op 10.1%
- #32 Shadowgrounds Survivor
79% matchMixed61% of 798 reviews2007
Dev: Frozenbyte
Windows · Mac
Median: 2.5 hrsMean: 21.6 hrs≥1hr: 90%
Surviving is only half the game. The award-winning atmosphere and gameplay mechanics of the original Shadowgrounds make a triumphant return in this spin off/sequel armed with a slick new feature set! Shadowgrounds Survivor tells the story of the last remaining humans on Jupiter's moon Ganymede, where the alien onslaught is in full force.
Why similar: Aliens 35.8%, Top-Down Shooter 22.1%, Sci-fi 20%, Co-op 10.6%, RPG 8.7%
Why You'll Like It: A top-down sci-fi shooter that focuses on intense combat and survival against alien threats.
- #33 Trapped Dead
79% matchMixed41% of 788 reviews2011
Dev: Crenetic
Windows
Median: 2.1 hrsMean: 3.5 hrs≥1hr: 87%
You and up to three friends fight to survive the Zombie outbreak in this game inspired by early '80s horror films!
Why similar: Zombies 71.6%, Strategy 20.5%, Co-op 7.9%
Why You'll Like It: A strategy-heavy game that focuses on squad survival against zombie hordes.
- #34 Breach & Clear: Deadline Rebirth (2016)
78% matchMixed54% of 886 reviews2015
Dev: Mighty Rabbit StudiosPub: Good Shepherd Entertainment
Windows · Mac · Linux
Median: 4.1 hrsMean: 5.2 hrs≥1hr: 91%
A deadly new breed of human monster is on the rise, and it’s up to players to stop the infestation before it spreads. Breach & Clear: DEADline Rebirth is a new and greatly improved version of B&C: Deadline, the follow-up to Breach & Clear, the critically acclaimed hybrid tactical strategy game.
Why similar: Zombies 49%, Real Time Tactics 28.9%, Strategy 12.2%, RPG 9.9%
- #35 Xenonauts 2
71% matchVery Positive82% of 5,238 reviews2026
Dev: Goldhawk InteractivePub: Hooded Horse
Windows
Median: 7.3 hrsMean: 21.2 hrs≥1hr: 85%
Wage a global war of resistance against an alien invasion. Command turn-based tactical battles, build a network of covert bases, directly control your fighter wings, and achieve strategic victory in a simulation of asymmetric warfare against a technologically superior foe.
Why similar: Character Customization 25.8%, Tactical 22%, Sci-fi 20.5%, RPG 14.9%, Strategy 13.7%
- #36 ZOMBIE RAID: No One Survives
75% matchMixed52% of 158 reviews2024
Dev: Red Dot Studio
Windows
Join the fight for survival in a top-down shooter with realistic-looking combat. Raid the infected city and fight for survival in team battles.
Why similar: Team-Based 24.5%, Zombies 18.7%, Top-Down Shooter 13.5%, Online Co-Op 10.7%, Co-op 10.4%
- #37 Every Day We Fight
73% matchMostly Positive75% of 402 reviews2025
Dev: Signal Space LabPub: Hooded Horse
Windows
Caught in a time loop, your band of resistance fighters is humanity’s last hope. Real-time exploration meets turn-based tactics and roguelite strategy as you learn new abilities, seek out new weapons, and develop new techniques to overcome the mysterious alien threat.
Why similar: Strategy RPG 23.9%, Aliens 18.1%, Futuristic 12.9%, Character Customization 11%, Tactical 10.6%
- #38 Survivor Squad: Gauntlets
76% matchMostly Positive75% of 163 reviews2015
Dev: Endless Loop Studios
Windows · Mac · Linux
Median: 5.0 hrsMean: 5.5 hrs≥1hr: 96%
Command your Squad of Survivors in a game where Line of Sight is extremely important, you cannot shoot what you cannot see. Develop your formations, move as a unit and cover every corner. Leave no man behind!
Why similar: Zombies 43.6%, Real Time Tactics 33.7%, Strategy 20.4%, Singleplayer 2.3%
- #39 Decision: Red Daze
73% matchMostly Positive74% of 880 reviews2022
Dev: FlyAnvilPub: Nordcurrent Labs
Windows
Median: 3.2 hrsMean: 10.4 hrs≥1hr: 72%
Decision: Red Daze is an action RPG with a unique mix of survival and tower defense mechanics. Explore an apocalyptic wasteland, build a safe haven, and lead your team of specialists in a hopeless world, searching for a cure for the infectious disease that turns people into monsters.
Why similar: Zombies 67%, RPG 19.9%, Strategy 9.1%, Singleplayer 4.1%
- #40 MarZ: Tactical Base Defense
74% matchMostly Positive78% of 890 reviews2019
Dev: Giant Grey
Windows
Median: 2.6 hrsMean: 5.5 hrs≥1hr: 71%
Build your defense base to fight back the undead hordes of Mars and secure the future of the red planet. MarZ is a game of strategy and tactical defense where you must carefully manage your crew and resources as you try to uncover the terrible secrets of the undead.
Why similar: Zombies 37.6%, Tactical 20.3%, Strategy 15.5%, Sci-fi 11.4%, Futuristic 10.4%
- #41 10 Miles To Safety
73% matchMostly Positive72% of 999 reviews2020
Dev: Trickjump Games
Windows
Median: 3.2 hrsMean: 5.8 hrs≥1hr: 82%
The Apocalypse has arrived and your goal is simple: Make it 10 miles to safety through a limitless procedurally-generated world overrun with The Infected and packed with the tools and weapons to fight them.
Why similar: Zombies 43.8%, Top-Down Shooter 16.7%, Strategy 14.9%, Online Co-Op 14.7%, Co-op 9.8%
- #42 Infested Planet
72% matchVery Positive94% of 3,025 reviews2014
Dev: Rocket Bear Games
Windows
Median: 3.1 hrsMean: 5.9 hrs≥1hr: 88%
Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.
Why similar: Strategy 31.2%, Aliens 29.4%, Sci-fi 20.3%, Tactical 14.8%, Singleplayer 4.4%
- #43 2112TD: Tower Defense Survival
71% matchVery Positive88% of 435 reviews2023
Dev: Refinery Games
Windows
Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defenses in this epic, old school RTS inspired sci-fi adventure.
Why similar: Zombies 27.4%, Aliens 26.4%, Sci-fi 16.5%, Tactical 16.1%, Strategy 10.8%
- #44 Interstellar Marines
74% matchMixed54% of 7,874 reviews2013
Dev: Zero Point Software
Windows · Mac · Linux
Median: 48 minMean: 6.8 hrs≥1hr: 45%
UPDATE 28 AVAILABLE - Interstellar Marines is an immersive tactical sci-fi First Person Simulator in the making, offering a unique blend of tactical gameplay, dynamic environments and non-scripted AI. Play Singleplayer or Co-op/PvP on servers around the world.
Why similar: Tactical 20.9%, Co-op 20.4%, Multiplayer 16.3%, Sci-fi 15.4%, Team-Based 10.7%
- #45 Tempest Rising
67% matchVery Positive88% of 11,317 reviews2025
Dev: Slipgate Ironworks™Pub: 3D Realms
Windows
Median: 3.8 hrsMean: 9.6 hrs≥1hr: 84%
Command distinct factions in a desperate struggle for power and resources in Tempest Rising - a classic RTS set on Earth after a nuclear war.
Why similar: Strategy 59.4%, Multiplayer 23.3%, Futuristic 12.5%, Singleplayer 4.7%
- #46 Legion TD 2 - Multiplayer Tower Defense
69% matchVery Positive86% of 15,004 reviews2021
Dev: AutoAttack Games
Windows · Mac
Median: 11.8 hrsMean: 42.8 hrs≥1hr: 89%
An infinitely replayable multiplayer and single-player tower defense. Defend against waves of enemies and destroy the enemy's king before they destroy yours. Legion TD 2 is a one-of-a-kind game of tactics, teamwork, and prediction. Party as 1-8 players.
Why similar: Multiplayer 24.3%, Online Co-Op 23.7%, Co-op 21.5%, Sci-fi 15.8%, Strategy 14.7%
- #47 Rift Loopers
70% matchMostly Positive74% of 117 reviews2023
Dev: Monster Tooth Studios
Windows
Survive the horrors of the multiverse, alone or with your comrades, as you battle against an onslaught of insectoid like creatures. Combine abilities in different ways each loop to overcome and return safely to your universe.
Why similar: Procedural Generation 19.3%, Online Co-Op 17.9%, Top-Down Shooter 14.9%, Multiplayer 13.6%, Aliens 11.6%
- #48 Sanctum 2
70% matchVery Positive90% of 14,378 reviews2013
Dev: Coffee Stain StudiosPub: Coffee Stain Publishing
Windows · Mac · Linux
Median: 2.8 hrsMean: 6.7 hrs≥1hr: 86%
Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.
Why similar: Co-op 25.9%, Online Co-Op 15.7%, Sci-fi 12.7%, Strategy 12.2%, Aliens 11.4%
- #49 Earthfall
71% matchMixed65% of 2,293 reviews2018
Dev: Holospark
Windows
Median: 3.2 hrsMean: 6.8 hrs≥1hr: 87%
NOW AVAILABLE! When the Earth falls to an extra-terrestrial invasion, humanity becomes an endangered species. Earthfall is a four-player cooperative shooter that challenges players to survive hordes of ruthless alien drones and their inscrutable masters.
Why similar: Aliens 22.5%, Co-op Campaign 20.3% ★, Online Co-Op 17.8%, Co-op 16.2%, Zombies 9.1%
- #50 Regenesis
69% matchMostly Positive76% of 68 reviews2023
Dev: Klopsy
Windows
Guide a group of survivors trying to strive in this alien yet familiar environment. Fight against mutated creatures and use their parts to craft and upgrade your weapons.
Why similar: Real Time Tactics 45.9%, Character Customization 21.1%, RPG 12.2%, Strategy 11.8%, Tactical 8.6%
- #51 Defender's Quest 2: Mists of Ruin
69% matchMixed61% of 319 reviews2025
Dev: Level Up Labs, LLCPub: Armor Games Studios
Windows
Rise above the Mirk and protect your ship from dangers unknown in the latest entry in the classic Defender’s Quest tower defense series!
Why similar: Strategy RPG 29%, Real Time Tactics 25.8%, RPG 11.8%, Strategy 11.6%, Tactical 11.5%
- #52 Terminus: Zombie Survivors
65% matchVery Positive94% of 4,417 reviews2024
Dev: Longplay Studios
Windows · Mac
Median: 3.2 hrsMean: 13.2 hrs≥1hr: 73%
Terminus: Zombie Survivors is a 2D turn-based survival roguelike set during a zombie apocalypse. Each journey is unique, and every decision can mean the difference between life and death. Can you brave hunger, cold, and the undead in order to reach the Terminus and find salvation?
Why similar: Zombies 67.6%, RPG 15.9%, Strategy 13.5%, Singleplayer 3%
- #53 Surviving the Aftermath
68% matchMostly Positive71% of 4,528 reviews2021
Dev: Iceflake StudiosPub: Paradox Interactive
Windows
Median: 4.6 hrsMean: 18.1 hrs≥1hr: 74%
Survive and thrive in a post-apocalyptic future — resources are scarce, but opportunity calls! Build the ultimate disaster proof colony, protect your colonists, and restore civilization to a devastated world.
Why similar: Strategy 63.3%, Tactical 17.3%, Atmospheric 7.9%, Multiplayer 6.8%, Singleplayer 4.8%
- #54 Dead Effect 2
70% matchMostly Positive73% of 2,297 reviews2016
Dev: BadFly Interactive, a.s.Pub: App Holdings
Windows · Mac
Median: 4.7 hrsMean: 9.9 hrs≥1hr: 90%
Dead Effect 2 is the newest addition to the acclaimed Dead Effect franchise. This action sci-fi shooter is looking to push the boundaries of first-person shooters to new levels with slick graphics, rich narrative and RPG elements.
Why similar: Zombies 42.3%, Co-op 20.9%, Multiplayer 13.2%, Sci-fi 9.7%, RPG 9.6%
- #55 Mars Survivors
68% matchMixed66% of 68 reviews2023
Dev: Leguas Intrepidas
Windows · Mac · Linux
Ready to tackle the challenge? On Mars, confront countless mutated creatures and mechanical monsters. Choose survivors, weapons, and skills wisely for diverse battles. Employ precise shooting, agile dodging, and strategic use of props and skills to fend off enemy attacks.
Why similar: Top-Down Shooter 59.8%, Zombies 38.1%, Singleplayer 2.1%
- #56 The Riftbreaker
66% matchVery Positive90% of 23,789 reviews2021
Dev: EXOR Studios
Windows
Median: 8.0 hrsMean: 22.9 hrs≥1hr: 88%
The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.
Why similar: Strategy RPG 23.6%, Online Co-Op 20.9%, Co-op Campaign 18.9% ★, Multiplayer 15.7%, Procedural Generation 12.7%
- #57 Rabiez: Epidemic
72% matchMixed44% of 246 reviews2016
Dev: Sekerin ProductionsPub: New Reality Games
Windows
Median: 3.2 hrsMean: 3.7 hrs≥1hr: 88%
Real-time combat in the zombie apocalypse! Guide your survivors through hordes of the infected to escape the epicentre of infection!
Why similar: Strategy 62.2%, Sci-fi 37.8%
- #58 Defend Earth: Xenos Survivors
67% matchMostly Positive79% of 61 reviews2023
Dev: ReijaPub: indie.io
Windows
You are Earth's last line of defense in a relentless alien invasion. Experience intense top-down roguelite action across diverse landscapes, fighting invaders with a versatile arsenal. Outsmart, outgun, and survive your foes. Every run increases the challenge - so adapt, evolve, dominate!
Why similar: Aliens 29.7%, Futuristic 21.1%, Top-Down Shooter 20.3%, Sci-fi 15.6%, RPG 11.1%
- #59 Space Pirates And Zombies 2
68% matchMostly Positive79% of 2,833 reviews2017
Dev: MinMax Games Ltd.
Windows · Mac · Linux
Median: 4.6 hrsMean: 13.5 hrs≥1hr: 81%
Design and then improve the ultimate mothership. Explore a persistent living galaxy populated by 200 unique captains that can do everything you can do. Survive the zombie infection and then fight them back. Make allies and start your own faction. Build your empire. Also includes Sandbox Mode.
Why similar: Zombies 41.8%, Strategy 17.5%, RPG 13.7%, Sci-fi 13.3%, Procedural Generation 11.9%
- #60 Wanna Survive
67% matchVery Positive93% of 301 reviews2019
Dev: PINIX
Windows · Mac
Median: 3.2 hrsMean: 26.3 hrs≥1hr: 81%
HIGH SPEED ZOMBIE TACTICS - Fight mobs of undead attacking from all sides in this streamlined turn-based tactics that emphasizes unit placement and synergies. Help the survivors live through fights and manage their rations to avoid permanent death, and they just might be able to reach the Sanctuary.
Why similar: Zombies 45.9%, Tactical 26.1%, Strategy RPG 12.1%, Strategy 10.6%, RPG 3.1%