- #1 Halo: Spartan Assault
97% matchMostly Positive78% of 4,811 reviews2014
Dev: Vanguard GamesPub: Xbox Game Studios
Windows
Median: 2.4 hrsMean: 13.8 hrs≥1hr: 80%
Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. *DirectX feature level 10 required. *
Why similar: Top-Down Shooter 38.9%, Sci-fi 15.8%, Action 12.9%, Twin Stick Shooter 10%, Shooter 6.8%
Why You'll Like It: This is the direct predecessor to Spartan Strike and shares the exact same gameplay mechanics, visual style, and Halo universe setting.
- #2 HELLDIVERS™ Dive Harder Edition
96% matchVery Positive90% of 32,984 reviews2015
Dev: Arrowhead Game StudiosPub: PlayStation Publishing LLC
Windows
Median: 4.7 hrsMean: 20.7 hrs≥1hr: 80%
HELLDIVERS™ is a hardcore, cooperative, twin stick shooter. As part of the elite unit called the HELLDIVERS, players must work together to protect SUPER EARTH and defeat the enemies of mankind in an intense intergalactic war.
Why similar: Top-Down Shooter 39.9%, Twin Stick Shooter 17.9%, Sci-fi 12.1%, Co-op 7.8%, Action 6.9%
Why You'll Like It: This game perfectly captures the chaotic, squad-based sci-fi action of fighting alien hordes from a top-down perspective.
- #3 The Ascent
96% matchMostly Positive74% of 24,155 reviews2021
Dev: Neon GiantPub: KRAFTON, Inc.
Windows
Median: 5.5 hrsMean: 9.6 hrs≥1hr: 86%
The Ascent is a solo and co-op Action-shooter RPG set in a cyberpunk world. The mega corporation that owns you and everyone, The Ascent Group, has just collapsed. Can you survive without it?
Why similar: Top-Down Shooter 51.8%, Twin Stick Shooter 13.7%, Shooter 12.3%, Action 10%, Co-op 6.7%
Why You'll Like It: A high-fidelity top-down shooter that features deep sci-fi world-building and intense, cover-based combat similar to the tactical feel of Spartan Strike.
- #4 Livelock
95% matchMostly Positive79% of 896 reviews2016
Dev: Tuque GamesPub: Arc Games
Windows
Median: 2.9 hrsMean: 4.0 hrs≥1hr: 86%
Livelock is a co-operative top-down shooter where you play solo or with up to two allies to break the cycle of infinite war between machines. As one of the remaining Capital Intellects, your role is to unlock Eden and revive humanity.
Why similar: Top-Down Shooter 44.7%, Twin Stick Shooter 13.4%, Action 11.9%, Sci-fi 10%, Co-op 6.1%
Why You'll Like It: A top-down shooter featuring class-based sci-fi combat that mirrors the power-fantasy feel of playing as a Spartan.
- #5 Shadowgrounds
94% matchVery Positive81% of 1,601 reviews2006
Dev: Frozenbyte
Windows · Mac
Median: 2.1 hrsMean: 16.2 hrs≥1hr: 86%
Shadowgrounds breathes fresh air into the action genre with explosive combat sequences, an innovative weapon upgrade system, and an intriguing storyline. The adrenaline-pumping, top-down gameplay and audiovisual fireworks set the scene for this new action experience which also includes single computer (split keyboard or joystick) co-op...
Why similar: Top-Down Shooter 32.4%, Aliens 20.6%, Sci-fi 15.5%, Twin Stick Shooter 9.3%, Shooter 7.4%
Why You'll Like It: A classic top-down sci-fi shooter that emphasizes atmospheric exploration and intense combat against alien swarms.
- #6 RUINER
93% matchVery Positive89% of 12,065 reviews2017
Dev: Reikon GamesPub: Devolver Digital
Windows · Linux
Median: 4.5 hrsMean: 7.7 hrs≥1hr: 80%
RUINER is a brutal action shooter set in the year 2091 in the cyber metropolis Rengkok. A wired psychopath lashes out against a corrupt system to uncover the truth and retrieve his kidnapped brother under the guidance of a secretive hacker friend.
Why similar: Top-Down Shooter 38.8%, Twin Stick Shooter 14.8%, Great Soundtrack 13.7%, Action 11.7%, Sci-fi 10.9%
Why You'll Like It: A brutal, fast-paced twin-stick shooter set in a gritty sci-fi world that emphasizes movement and weapon variety.
- #7 Alien Breed: Impact
94% matchMostly Positive75% of 1,869 reviews2010
Dev: Team17 Software Ltd.Pub: Team17 Digital Ltd
Windows
Median: 54 minMean: 4.1 hrs≥1hr: 48%
Experience the explosive science fiction arcade-shooter that resurrects a much revered franchise in an epic single player and co-op multiplayer campaign.
Why similar: Aliens 23.8%, Sci-fi 18.1%, Action 13.9%, Top-Down Shooter 13.4%, Shooter 12.6%
Why You'll Like It: An atmospheric top-down shooter that focuses on claustrophobic combat against alien infestations in space stations.
- #8 Alien Swarm: Reactive Drop
92% matchVery Positive95% of 23,448 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: Top-Down Shooter 30.8%, Aliens 20.1%, Twin Stick Shooter 15.1%, Sci-fi 14.1%, Shooter 8.9%
Why You'll Like It: A squad-based, top-down tactical shooter that focuses on cooperative play against waves of alien enemies.
- #9 SYNTHETIK: Legion Rising
91% matchVery Positive94% of 13,002 reviews2018
Dev: Flow Fire Games
Windows
Median: 5.6 hrsMean: 15.3 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 57.9%, Twin Stick Shooter 10.9%, Action 10%, Shooter 6.9%, Great Soundtrack 4.9%
Why You'll Like It: A highly tactical top-down shooter with deep weapon customization and challenging combat mechanics.
- #10 Red Solstice 2: Survivors
91% matchMixed70% of 3,299 reviews2021
Dev: IronwardPub: 505 Games
Windows
Median: 7.7 hrsMean: 13.9 hrs≥1hr: 94%
Sequel to the best-seller The Red Solstice. Plan your strategy and infiltrate a real-time tactical battlefield - alone or with up to 7 squad members. Can you demonstrate the combat prowess to survive and secure a future for humanity?
Why similar: Aliens 25.1%, Top-Down Shooter 23.3%, Sci-fi 19.1%, Multiplayer 7.7%, Futuristic 7.5%
Why You'll Like It: Combines top-down shooting with tactical squad management and sci-fi survival elements against overwhelming alien threats.
- #11 Renegade Ops
90% matchVery Positive85% of 2,839 reviews2011
Dev: Avalanche StudiosPub: SEGA
Windows
Median: 1.1 hrsMean: 3.9 hrs≥1hr: 51%
Blast your way through enemy lines to defeat Inferno, a madman intent on global domination. Destruction just got awesome.
Why similar: Twin Stick Shooter 34.5%, Action 29%, Top-Down Shooter 16.5%, Co-op 8.3%, Top-Down 6.7%
Why You'll Like It: Features explosive vehicular combat and top-down shooting that feels very similar to the Warthog missions in the Halo series.
- #12 X-Morph: Defense
89% matchVery Positive92% of 4,073 reviews2017
Dev: EXOR Studios
Windows
Median: 3.0 hrsMean: 5.5 hrs≥1hr: 85%
Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.
Why similar: Top-Down Shooter 25.3%, Aliens 17.2%, Sci-fi 13%, Twin Stick Shooter 12.4%, Shooter 7.6%
Why You'll Like It: A unique blend of top-down shooting and tower defense that requires strategic placement and active combat participation.
- #13 From Space
87% matchMixed68% of 1,932 reviews2022
Dev: Triangle StudiosPub: Curve Games
Windows
Median: 4.1 hrsMean: 5.8 hrs≥1hr: 88%
From Space is a solo and co-op action-shooter for squads up to four players. Take on the challenge of liberating the earth from an alien infestation with your friends, using over-the-top weaponry in a post-apocalyptic world with awesomely stylized graphics. The apocalypse has never been so much fun!
Why similar: Top-Down Shooter 34.7%, Twin Stick Shooter 16.1%, Sci-fi 13.5%, Shooter 9.2%, Action 7.9%
Why You'll Like It: A colorful, co-op focused top-down shooter that tasks players with defending Earth from an alien invasion.
- #14 Solstice Chronicles: MIA
88% matchMostly Positive74% of 313 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: Top-Down Shooter 31.2%, Aliens 16.2%, Twin Stick Shooter 14.4%, Sci-fi 8.4%, Shooter 7.6%
Why You'll Like It: A top-down shooter that incorporates tactical drone mechanics and intense combat in a futuristic setting.
- #15 Xeno Crisis
86% matchVery Positive87% of 209 reviews2019
Dev: Bitmap Bureau
Windows · Mac · Linux
Median: 2.5 hrsMean: 3.6 hrs≥1hr: 76%
Xeno Crisis is an arena shooter in which up to two players take control of battle-hardened marines embarking on a deadly mission to confront an alien menace! Run and gun your way through thousands of adversaries, searching for survivors, and ultimately facing the origin of the outpost's demise.
Why similar: Top-Down Shooter 31.3%, Aliens 18.7%, Twin Stick Shooter 14.6%, Sci-fi 9.7%, Shooter 7.5%
Why You'll Like It: A retro-inspired twin-stick shooter that delivers tight, responsive combat against alien threats.
- #16 Crimsonland
85% matchVery Positive93% of 3,083 reviews2014
Dev: 10tons Ltd
Windows · Mac · Linux
Median: 7.3 hrsMean: 11.5 hrs≥1hr: 93%
Thousands of aliens, giant spiders, mutant lizards, and more are on the attack - can you survive the onslaught? Crimsonland is a top-down shooter with a touch of RPG. Unlock over 30 weapons and over 50 perks from quirky to brutal. Complete the quest and show your skills in five survival modes.
Why similar: Top-Down Shooter 39.1%, Twin Stick Shooter 16.6%, Shooter 14.2%, Action 13.7%, Sci-fi 7.7%
Why You'll Like It: A classic top-down shooter focused on survival against massive hordes, sharing the arcade intensity of Spartan Strike.
- #17 Alien Breed 2: Assault
86% matchMostly Positive70% of 1,040 reviews2010
Dev: Team17 Digital Ltd
Windows
Median: 36 minMean: 3.8 hrs≥1hr: 38%
Can you survive the alien onslaught? Gamers across the world will now have a chance to play the next chapter in this high-budget, high-quality series.
Why similar: Aliens 20.6%, Action 18.6%, Top-Down Shooter 17.5%, Shooter 13%, Sci-fi 12.5%
Why You'll Like It: Continues the intense top-down alien-slaying action of the series with improved combat and environmental hazards.
- #18 Nex Machina
84% matchVery Positive87% of 2,168 reviews2017
Dev: Housemarque
Windows
Median: 3.2 hrsMean: 4.2 hrs≥1hr: 83%
Nex Machina is an intense arcade style twin-stick shooter from Housemarque. Taking hints from both Robotron and Smash TV, Nex Machina focuses on pure action, voxel destruction and competition in the distant, cablepunk themed future.
Why similar: Twin Stick Shooter 29.4%, Top-Down Shooter 20%, Great Soundtrack 15.3%, Action 10.9%, Sci-fi 10.6%
Why You'll Like It: An incredibly polished twin-stick shooter that focuses on high-speed movement and intense arcade-style combat.
- #19 Halo Wars: Definitive Edition
82% matchVery Positive91% of 9,133 reviews2017
Dev: Ensemble StudiosPub: Xbox Game Studios
Windows
Median: 4.1 hrsMean: 13.3 hrs≥1hr: 84%
Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.
Why similar: Sci-fi 26.7%, Strategy 17.2%, Aliens 16.2%, Multiplayer 10.7%, Great Soundtrack 9.2%
Why You'll Like It: Provides a strategic perspective on the Halo universe, allowing players to command the same units seen in the Spartan games.
- #20 Alien Breed 3: Descent
84% matchMostly Positive74% of 605 reviews2010
Dev: Team17 Digital Ltd
Windows
Median: 18 minMean: 5.6 hrs≥1hr: 38%
Experience the final explosive chapter in the Alien Breed series and uncover the horrifying truth surrounding the existence of the Breed. Launch discount good thru Nov. 24 10am PST.
Why similar: Top-Down Shooter 24.7%, Aliens 19.6%, Sci-fi 13.8%, Twin Stick Shooter 11.4%, Shooter 9.6%
Why You'll Like It: The final chapter of the Alien Breed trilogy, offering more of the same high-stakes top-down sci-fi shooting.
- #21 Geometry Wars™ 3: Dimensions Evolved
82% matchVery Positive90% of 1,577 reviews2014
Dev: Lucid GamesPub: Sierra
Windows · Mac · Linux
Median: 1.1 hrsMean: 7.2 hrs≥1hr: 52%
Experience the full evolution of the award-winning Geometry Wars franchise and battle through waves of enemies on 3D grids in this frenetic arcade shooter!
Why similar: Twin Stick Shooter 52.5%, Action 24.6%, Great Soundtrack 16.3%, Shooter 6.5%
Why You'll Like It: Provides pure, high-intensity twin-stick arcade action that tests reflexes in a similar way to the more frantic moments of Spartan Strike.
- #22 Steel Storm: Burning Retribution
83% matchMixed60% of 369 reviews2011
Dev: Kot in Action Creative Artel
Windows · Linux
Median: 4.2 hrsMean: 4.2 hrs≥1hr: 81%
Control an advanced hovertank, packed with the most advanced and sophisticated weapons as you fight against extraterrestrial invaders.
Why similar: Top-Down Shooter 38.2%, Shooter 21.1%, Action 20.9%, Sci-fi 17.8%, Singleplayer 2%
Why You'll Like It: An arcade-style top-down shooter that focuses on vehicular combat and fast-paced mission objectives.
- #23 Assault Android Cactus+
81% matchVery Positive94% of 2,000 reviews2015
Dev: Witch Beam
Windows · Mac · Linux
Median: 3.2 hrsMean: 5.0 hrs≥1hr: 82%
Assault Android Cactus is an intense arcade style twin stick shooter - pick from one of nine unique synthetic heroines and blast your way through overwhelming robots hordes to save the ship from its own workforce. Supports single player and local co-op game modes.
Why similar: Twin Stick Shooter 29.6%, Sci-fi 23.8%, Shooter 17.1%, Action 10.9%, Multiplayer 6.5%
Why You'll Like It: A high-energy twin-stick shooter with sci-fi themes that emphasizes constant movement and precise aiming.
- #24 Tesla vs Lovecraft
80% matchVery Positive90% of 1,231 reviews2018
Dev: 10tons Ltd
Windows · Mac · Linux
Median: 3.2 hrsMean: 5.6 hrs≥1hr: 80%
Tesla vs Lovecraft is an intense top-down twin stick arena shooter from the creators of Crimsonland and Neon Chrome. Play as the enigmatic inventor Nikola Tesla harnessing the static energy to power up Tesla-Mech and give the lovecraftian nightmares a lesson in horror!
Why similar: Top-Down Shooter 44.8%, Sci-fi 14.2%, Twin Stick Shooter 12.7%, Shooter 9.3%, Action 9.2%
Why You'll Like It: A chaotic twin-stick shooter featuring powerful sci-fi weaponry and fast-paced combat against waves of enemies.
- #25 Spartan Survivors
77% matchVery Positive91% of 353 reviews2025
Dev: Bathrobe
Windows
Fight hordes of Covenant & Flood in this new game mixing Roguelite & Bullet Heaven for hours of mindless fun!
Why similar: Top-Down Shooter 42.5%, Sci-fi 16.4%, Action 14.2%, Aliens 13.4%, Shooter 6.9%
- #26 Vanquish
79% matchVery Positive89% of 7,662 reviews2017
Dev: PlatinumGamesPub: SEGA
Windows
Median: 4.6 hrsMean: 6.1 hrs≥1hr: 84%
PlatinumGames’ revolutionary sci-fi action shooter slide-boosts onto PC. Battle legions of future-tech enemies using a vast arsenal of weapons, including all DLC. Fully unlocked framerate and gorgeous HD resolutions up to 4K. The definitive way to play: war has accelerated.
Why similar: Sci-fi 37.4%, Action 20.5%, Shooter 18.5%, Great Soundtrack 6.5%, Futuristic 6.4%
Why You'll Like It: A fast-paced sci-fi shooter that emphasizes movement and tactical positioning, appealing to fans of the Spartan supersoldier archetype.
- #27 STAR WARS™ Republic Commando™
79% matchOverwhelmingly Positive96% of 16,716 reviews2009
Dev: LucasArts
Windows
Median: 1.5 hrsMean: 15.8 hrs≥1hr: 58%
You are the leader of an elite squad of Republic Commandos, your mission is to infiltrate, dominate, and ultimately, annihilate the enemy. Your squad will follow your orders and your lead, working together as a team - instinctively, intelligently, instantly. You are their leader. They are your weapon.
Why similar: Sci-fi 30.3%, Action 19.2%, Shooter 16.3%, Great Soundtrack 13.3%, Multiplayer 7.5%
Why You'll Like It: A tactical sci-fi shooter that emphasizes squad-based gameplay and military precision in a similar vein to the Halo universe.
- #28 A.I. Invasion
81% matchMostly Negative35% of 66 reviews2015
Dev: GameArt Studio GmbH
Windows
Median: 4.1 hrsMean: 7.1 hrs≥1hr: 97%
A.I. Invasion is an action-loaded top-down-shooter in a futuristic setting. The superior machines subjugated the universe. In a wide range of missions you take the role of a soldier and equip and command a team of special units to reclaim the planet system.
Why similar: Top-Down Shooter 51.3%, Twin Stick Shooter 18.2%, Action 15.8%, Shooter 8.1%, Strategy 6.6%
Why You'll Like It: A top-down shooter that incorporates strategy elements while fighting against robotic and alien forces.
- #29 Halo: The Master Chief Collection
76% matchVery Positive92% of 255,994 reviews2019
Dev: 343 IndustriesPub: Xbox Game Studios
Windows
Median: 12.0 hrsMean: 52.0 hrs≥1hr: 92%
The Master Chief’s iconic journey includes six games, built for PC and collected in a single integrated experience. Whether you’re a long-time fan or meeting Spartan 117 for the first time, The Master Chief Collection is the definitive Halo gaming experience.
Why similar: Aliens 22.5%, Sci-fi 21.5%, Great Soundtrack 18.9%, Shooter 10.9%, Multiplayer 8.5%
- #30 Nation Red
78% matchVery Positive88% of 2,776 reviews2009
Dev: DiezelPower
Windows · Mac · Linux
Median: 3.5 hrsMean: 8.7 hrs≥1hr: 86%
Nation Red is an ultra fast infinite play arena-based shooter providing an exceptional close-quarter battlefield experience. Fight thousands of zombie mutants and their bosses in frantic bloody gameplay while earning close to 100 perks. Fight in Barricade, Survival or Free Play mode.
Why similar: Top-Down Shooter 55.6%, Action 17.6%, Twin Stick Shooter 15.6%, Co-op 4.2%, Multiplayer 4.1%
Why You'll Like It: Focuses on intense, wave-based survival combat that mirrors the horde-clearing gameplay of the Halo top-down titles.
- #31 Strike Suit Zero: Director's Cut
78% matchVery Positive82% of 387 reviews2014
Dev: Born Ready Games
Windows
Median: 2.5 hrsMean: 4.1 hrs≥1hr: 85%
In the year 2299, an interstellar war rages on. In a bid to save Earth from destruction, you must take control of the Strike Suit – a revolutionary fighter craft with the ability to transform into a lethal suit of space armor.
Why similar: Sci-fi 42.9%, Action 31.2%, Great Soundtrack 14.5%, Shooter 9.8%, Singleplayer 1.5%
Why You'll Like It: Offers high-speed sci-fi vehicular combat that captures the scale and excitement of Halo's vehicle-heavy missions.
- #32 Hive Jump 2: Survivors
75% matchVery Positive84% of 110 reviews2024
Dev: Graphite LabPub: Midwest Games
Windows · Linux
Become an agent of vengeance in this bullet-heaven action roguelite! You are the lone survivor of your squad, on an alien planet with just your weapon, a jetpack, and the courage to keep fighting. Kill off alien swarms and transform their valuable guts into explosive upgrades and vital utilities.
Why similar: Top-Down Shooter 30.1%, Aliens 20.4%, Sci-fi 15.1%, Twin Stick Shooter 13.6%, Shooter 8.1%
- #33 HELLFRONT: HONEYMOON
77% matchVery Positive82% of 101 reviews2018
Dev: SkyGoblin
Windows
Median: 48 minMean: 6.9 hrs≥1hr: 46%
HELLFRONT is an intense top-down shooter. Conquer ground, build a base, and command your troops in battle! Play PvP or beat the campaign co-op or solo.
Why similar: Top-Down Shooter 31.3%, Aliens 16.3%, Sci-fi 14.7%, Twin Stick Shooter 11%, Action 5.2%
- #34 Reflex Unit : Strike Ops
73% matchVery Positive91% of 66 reviews2025
Dev: ROBOSARU Games
Windows · Mac
Tactical Vehicle Action! Featuring diverse missions; stage daring rescues, manage resources, assault enemy bases and fight back against a sinister enemy. Strategic single and multiplayer gameplay, balance your vehicles speed, firepower, fuel and load capacity to overcome challenging missions.
Why similar: Top-Down Shooter 41.4%, Twin Stick Shooter 18.7%, Action 10.3%, Shooter 10.3%, Multiplayer 6.4%
- #35 Halo Infinite
74% matchMixed69% of 179,797 reviews2021
Dev: 343 IndustriesPub: Xbox Game Studios
Windows
Median: 3.0 hrsMean: 29.1 hrs≥1hr: 71%
From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience.
Why similar: Aliens 23.9%, Sci-fi 23.9%, Shooter 16.4%, Multiplayer 11.7%, Action 11.5%
- #36 Starship Troopers: Terran Command
73% matchVery Positive87% of 11,704 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: Sci-fi 37.6%, Strategy 26.3%, Aliens 20.7%, Great Soundtrack 8.1%, Singleplayer 7.4%
- #37 Alien Rage - Unlimited
76% matchMixed68% of 3,535 reviews2013
Dev: CI Games
Windows
Median: 1.1 hrsMean: 9.1 hrs≥1hr: 51%
Unleash a fury of powerful weapons as you blast your way through armies of Alien forces hell-bent on taking you down! Battle through 14 intense levels and prepare to face a barrage of beastly-sized bosses that will test your every skill. Each of your 10 weapons comes with two firing modes and you’ll need all of them!
Why similar: Action 26.1%, Aliens 22.8%, Shooter 22%, Sci-fi 20.6%, Multiplayer 6.2%
- #38 Aliens: Colonial Marines Collection
75% matchMixed62% of 11,947 reviews2012
Dev: Gearbox SoftwarePub: SEGA
Windows
Median: 5.2 hrsMean: 15.5 hrs≥1hr: 77%
You & your friends are the deadliest killers in the galaxy – the US Colonial Marines. It’s up to you to not just survive, but wipe out the Xeno infestation.
Why similar: Aliens 36.4%, Sci-fi 20.1%, Action 15.8%, Shooter 11.6%, Co-op 6.9%
- #39 Armored Evolution
74% matchMostly Positive79% of 70 reviews2019
Dev: Burst2Flame Entertainment
Windows · Mac
Median: 6 minMean: 11.5 hrs≥1hr: 28%
Armored Evolution is an arena style top down shooter where you battle planetary guardians on a quest to dominate the universe! Venture alone or with your friends earning legendary avatars and weapons on your way. Find and upgrade equipment to discover unique strategies and decimate your foes!
Why similar: Top-Down Shooter 37.3%, Sci-fi 21.6%, Shooter 13.5%, Action 11.8%, Multiplayer 8%
- #40 Killsquad
72% matchMostly Positive70% of 3,493 reviews2021
Dev: Novarama
Windows
Median: 3.7 hrsMean: 6.8 hrs≥1hr: 89%
Hack and slash? Check. Twin-stick-shooter? Check. 4 player coop to slay hordes of aliens & bosses with your friends? Check. Skills, upgrades, weapons, gears, talismans and more to make you stronger? Check. Wake up, bounty hunter. We have a mission for you. Time to clean up the scum of the galaxy.
Why similar: Top-Down Shooter 39%, Action 24.2%, Twin Stick Shooter 14%, Sci-fi 9.7%, Co-op 5.7%
- #41 Alien Swarm
71% matchVery Positive95% of 21,506 reviews2010
Dev: Valve
Windows
Median: 2.4 hrsMean: 35.4 hrs≥1hr: 65%
Co-operative multiplayer game and complete code base available for free.
Why similar: Top-Down Shooter 24.6%, Aliens 21.6%, Sci-fi 13.6%, Shooter 9.5%, Action 9%
- #42 Half Hour Hexagon
70% matchVery Positive84% of 112 reviews2023
Dev: Carson Kompon
Windows
Obliterate a never-ending horde of enemies while you attempt to reach the 30 minute mark. Race to earn XP and level up to gain new items and opportunities for each run to become stronger than the last.
Why similar: Top-Down Shooter 46.7%, Twin Stick Shooter 21.1%, Shooter 16.3%, Action 14.4%, Singleplayer 1.5%
- #43 Sniper Strike: Special Ops
73% matchMixed61% of 373 reviews2018
Dev: Eight Pixels Square
Windows
Median: 54 minMean: 10.6 hrs≥1hr: 48%
Intercept, eliminate and extract. It’s time to engage the enemy.Sniper Strike is a high-octane sniper experience that pits you in battle across three gameplay modes and 100's of missions. Scout through immersive environments, engage in rapid-fire combat and build the ultimate super-soldier.
Why similar: Shooter 63.4%, Action 36.6%
- #44 Strike Suit Zero
72% matchMostly Positive77% of 1,666 reviews2013
Dev: Born Ready Games Ltd.Pub: Born Ready Games
Windows · Mac · Linux
Median: 1.7 hrsMean: 3.4 hrs≥1hr: 70%
Immerse yourself in massive fleet battles where your dog-fighting skills will directly affect the fate of the cosmos.
Why similar: Sci-fi 40.9%, Action 23.2%, Shooter 16.3%, Great Soundtrack 14.3%, Singleplayer 2.9%
- #45 Palpus X Annihilation
67% matchVery Positive96% of 53 reviews2026
Dev: Sebastian Vargek (Meister Palpus)
Windows
Isometric action shooter with light RPG elements. Brutally kill tons of alien monsters, find over a dozen powerful weapons, skill up your hero & stop the blood thirsty invaders in a classic handcrafted campaign. Never ending waves await you in horde-mode!
Why similar: Top-Down Shooter 27%, Aliens 26.7%, Sci-fi 17.9%, Shooter 13.4%, Action 10.2%
- #46 Defend Earth: Xenos Survivors
69% matchVery Positive80% of 56 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: Top-Down Shooter 40.9%, Aliens 22.4%, Sci-fi 18%, Action 8.4%, Futuristic 6.6%
- #47 Galaxy Highways
67% matchVery Positive98% of 54 reviews2025
Dev: Nanopike
Windows · Mac
An indie story-driven space shooter with intense battles, escalating enemy waves, and massive boss fights. Choose and upgrade ships, unlock powerful weapons, and protect your allies. Upgrade your base and construct a battleship to take on even stronger enemies. All set to a rock & synth soundtrack.
Why similar: Top-Down Shooter 40.8%, Twin Stick Shooter 20.5%, Sci-fi 14%, Shooter 10.4%, Action 7.4%
- #48 Anomaly: Warzone Earth
70% matchVery Positive87% of 4,668 reviews2011
Dev: 11 bit studios
Windows · Mac · Linux
Median: 2.4 hrsMean: 11.0 hrs≥1hr: 88%
Lead an armored squad through the perils of this reversed tower defense action-strategy game!
Why similar: Sci-fi 32.7%, Strategy 24.9%, Action 19.2%, Aliens 16.5%, Singleplayer 3.9%
- #49 CRYPTARK
70% matchVery Positive82% of 1,913 reviews2017
Dev: Alientrap
Windows · Mac · Linux
Median: 24 minMean: 5.6 hrs≥1hr: 34%
Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.
Why similar: Twin Stick Shooter 25.9%, Action 22.3%, Sci-fi 20.9%, Strategy 9.5%, Great Soundtrack 8.5%
- #50 HELLDIVERS™ 2
65% matchMostly Positive77% of 1,121,275 reviews2024
Dev: Arrowhead Game StudiosPub: PlayStation Publishing LLC
Windows
Median: 44.4 hrsMean: 100.4 hrs≥1hr: 98%
The Galaxy’s Last Line of Offence. Enlist in the Helldivers and join the fight for freedom across a hostile galaxy in a fast, frantic, and ferocious third-person shooter.
Why similar: Sci-fi 27.3%, Shooter 18.8%, Action 13.7%, Great Soundtrack 13%, Multiplayer 12.6%
- #51 ANVIL
68% matchMixed61% of 2,201 reviews2023
Dev: ACTION SQUARE
Windows
Median: 6.3 hrsMean: 14.4 hrs≥1hr: 85%
Take on the role of a Vault Breaker in search of alien artifacts called “Vaults” and fight against monsters and powerful bosses. You can strengthen your Breakers to explore far-away galaxies that no one has ever reached!
Why similar: Top-Down Shooter 48.7%, Twin Stick Shooter 12.5%, Sci-fi 10.4%, Multiplayer 7.8%, Action 7.7%
- #52 Shape Shifter: Formations
65% matchVery Positive91% of 267 reviews2025
Dev: Castec Studios
Windows
Shape Shifter: Formations is an action twin-stick shooter with rogue-lite elements, where you must destroy hordes of geometric enemies alone or with a friend. Select your ship and combine a large variety of weapons, abilities and infinitely stacking upgrades to craft your own unique build.
Why similar: Top-Down Shooter 40.8%, Twin Stick Shooter 23.1%, Sci-fi 16.1%, Action 7.5%, Co-op 7%
- #53 Shadowgrounds Survivor
71% matchMixed61% of 794 reviews2007
Dev: Frozenbyte
Windows · Mac
Median: 2.5 hrsMean: 21.7 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: Top-Down Shooter 30%, Aliens 18.2%, Sci-fi 15.5%, Twin Stick Shooter 12.4%, Shooter 9.2%
- #54 Iron Brigade
69% matchVery Positive86% of 1,208 reviews2012
Dev: Double Fine Productions
Windows
Median: 1.9 hrsMean: 7.5 hrs≥1hr: 63%
Join The Mobile Trench Brigade and protect humanity from the evil Monovision menace!
Why similar: Action 43.4%, Strategy 25.2%, Co-op 17.8%, Sci-fi 13.5%
- #55 Strain Tactics
69% matchVery Positive85% of 239 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: Top-Down Shooter 36.5%, Aliens 19.8%, Sci-fi 14.6%, Action 13.5%, Strategy 9%
- #56 FreeInfantry
66% matchVery Positive83% of 160 reviews2024
Dev: FreeInfantry Group
Windows
Isometric. Massively Multiplayer. Capture The Flag. Skirmish. Bug Hunt. And more. Welcome to FreeInfantry - the world's first massive multiplayer online isometric shooter.
Why similar: Top-Down Shooter 30.9%, Aliens 18.2%, Twin Stick Shooter 14.2%, Sci-fi 11.4%, Shooter 9.6%
- #57 Horde Hunters
65% matchVery Positive87% of 103 reviews2025
Dev: Antti Vaihia
Windows
Slay hordes of enemies on thrilling missions to save the humanity from a looming demon onslaught.
Why similar: Top-Down Shooter 53.1%, Twin Stick Shooter 28.7%, Action 11%, Top-Down 4.9%, Singleplayer 2.2%
- #58 Meltdown
68% matchVery Positive85% of 822 reviews2014
Dev: Phenomenon Games
Windows · Mac · Linux
Median: 2.7 hrsMean: 5.4 hrs≥1hr: 95%
Meltdown is a tactical arcade shooter featuring both singleplayer and intense online multiplayer. Become the most skilled soldier, choose your weapons, get the best upgrades, buckle up and start your mission. Be careful, each enemy has it’s own combat style, special AI and gear. Adapt to them to survive!
Why similar: Action 47.3%, Twin Stick Shooter 21.3%, Shooter 19.6%, Multiplayer 11.8%