
Build towers, defend two sectors and your shared reactor against endless machine waves—alone or in online co-op. Every battle matters: In THE GREAT WAR, the global frontline shaped by all players grants unique bonuses and penalties in every match.
60+ similar titles based on shared tags and player behavior. Themes include Strategy, Tower Defense, Multiplayer, Singleplayer.

Build towers, defend two sectors and your shared reactor against endless machine waves—alone or in online co-op. Every battle matters: In THE GREAT WAR, the global frontline shaped by all players grants unique bonuses and penalties in every match.

Dimension Defenders
Compete in ranked PvP tower defense, survive infinite dimension loops, or defend alongside a friend in online co-op. Build powerful turret combinations, adapt to ever-changing enemy paths, and climb a global ELO ladder.

Siege Masters
Build. Summon. Dominate. In Siege Masters, defense is only half the battle. Facing off against three rivals, you must balance fortifying your base with assaulting enemy lines. Every wall you place shapes the fate of the monsters, and every monster you send out determines your fate.
Compete in ranked PvP tower defense, survive infinite dimension loops, or defend alongside a friend in online co-op. Build powerful turret combinations, adapt to ever-changing enemy paths, and climb a global ELO ladder.
Why similar: Tower Defense 34.7%, Online Co-Op 15.2%, Real Time Tactics 12.3%, Strategy 10.3%, Team-Based 8.8%
Build. Summon. Dominate. In Siege Masters, defense is only half the battle. Facing off against three rivals, you must balance fortifying your base with assaulting enemy lines. Every wall you place shapes the fate of the monsters, and every monster you send out determines your fate.
Why similar: Tower Defense 33.5%, Real Time Tactics 24.8%, Strategy 11.2%, Online Co-Op 11%, Choices Matter 5.3%
Five-star tower defense with unrivaled depth and replayability. The Bloons are back in full HD glory and this time they mean business! Build awesome towers, choose your favorite upgrades, hire new Special Agents, and pop every last invading Bloon in the most popular tower defense series in history.
Why similar: Tower Defense 54.7%, Co-op 12.3%, Strategy 11%, Online Co-Op 10%, Multiplayer 7.3%
A real-time fantasy tower defense where adjacency matters. Master 12 magic schools, blend them through 66 unique synergies, and defend across 21 distinct maps. 144 tower variants, deep upgrade trees, endless wave escalation. Play solo or in online co-op.
Why similar: Tower Defense 32.5%, Real Time Tactics 19.5%, Strategy 13.6%, Team-Based 12.4%, Online Co-Op 8.5%
Element TD 2 sees you combine powerful elements to create unique towers. Prove your defenses against challenging foes, and compete or cooperate with others to determine who has mastered the elements.
Why similar: Tower Defense 28.4%, Team-Based 17.1%, Real Time Tactics 16.1%, Online Co-Op 9.1%, Multiplayer 8.6%
Pick a hero, play with friends, build towers, and slay monsters in this tower defense action roguelike.
Why similar: Tower Defense 31.5%, Online Co-Op 20.2%, Procedural Generation 14.4%, Co-op 12.1%, Multiplayer 9.8%
One Tower Defense is a Roguelike Tower Defense game where you control a single tower. Gather resources, buy weapons and upgrades, and fight endless waves of enemies. Play in single-player mode or in multiplayer mode, where the last survivor wins.
Why similar: Tower Defense 34%, Real Time Tactics 20.3%, Co-op 11.7%, Multiplayer 9.2%, Strategy 8.1%
Wizard Tournament is an asynchronous PvP tower-building autobattler featuring CO-OP play. Every run is a puzzle of placement, economy, and magical item synergies.
Why similar: Asynchronous Multiplayer 33.9% ★, Tower Defense 25%, Online Co-Op 15%, Strategy 7.5%, Multiplayer 6.1%
You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.
Why similar: Tower Defense 56.5%, Co-op 11.4%, Online Co-Op 9.5%, Strategy 8.2%, Multiplayer 5%
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: Tower Defense 53.3%, Co-op 13.2%, Online Co-Op 11.9%, Strategy 7.1%, Multiplayer 5.6%
The Bloons are back and better than ever! Get ready for a massive 3D tower defense game designed to give you hours and hours of the best strategy gaming available.
Why similar: Tower Defense 46.2%, Online Co-Op 18.7%, Co-op 11.1%, Multiplayer 10.9%, Strategy 10%
Hold the line in a neon sci-fi siege. Deploy and upgrade 14 distinct towers, expose every enemy's weakness, and survive 50 escalating waves and relentless boss assaults. Every threat has a counter — find it before your base falls.
Why similar: Tower Defense 46.2%, Real Time Tactics 23.6%, Strategy 16.1%, Sci-fi 9.6%, 2D 2.5%
You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment.
Why similar: Tower Defense 52.4%, Co-op 14.8%, Online Co-Op 14.6%, Strategy 7.4%, Multiplayer 6%
A tactical co-op tower defense game with a twist of luck. Summon, merge, spin the wheel, and face endless waves with your friends. Choose your difficulty and prove your team can handle any challenge.
Why similar: Tower Defense 35.8%, Online Co-Op 21.8%, Real Time Tactics 21.7%, Strategy 7.9%, Co-op 4.4%
Zero Zone 2020 is a classic Tower defense game where you will need to defend a home base from swarms of enemies
Why similar: Tower Defense 58.5%, Real Time Tactics 19.8%, Strategy 15.4%, Action 6.4%
Roguelite tower defense with moveable chaos. Build towers and troops, drag them mid battle, dash through danger, and defend your crystal solo or with up to three friends in online co op.
Why similar: Tower Defense 38.8%, Online Co-Op 22.4%, Co-op 12.5%, Multiplayer 9.8%, Strategy 8.4%
Valhalla's sealed abyss unleashed dark hordes during a magical cataclysm. United surface races repelled the invasion but now venture into the unfathomable pit to confront ancient evils and uncover truths buried beneath their war-torn world.
Why similar: Tower Defense 35.5%, Real Time Tactics 25.8%, Online Co-Op 12.8%, Strategy 10.4%, Multiplayer 6.2%
Tikiman the Forest Defender is in trouble. Hordes of monsters are sweeping through his realm, hoping to chow down on his offspring – and it’s up to you to defend them. By placing weapon towers at strategic points around the landscape, you can destroy the invaders and save the little ones.
Why similar: Tower Defense 68.4%, Strategy 12.8%, Online Co-Op 10.6%, Co-op 6.3%, 2D 1.2%
Immerse yourself in a fabulous atmosphere in Emberrush! You have to fight off waves of enemies that are heading towards your settlement.
Why similar: Tower Defense 41.2%, Real Time Tactics 24.3%, Strategy 19.8%, Action 7.4%, PvE 5.3%
Defend your server's port 8080 against corporate cyber threats! A tower defense game where you manage CPU and RAM resources while deploying IT professionals to stop malware, hackers, and system failures in this tech-themed strategic challenge.
Why similar: Tower Defense 38.3%, Real Time Tactics 28.6%, Procedural Generation 14.7%, Strategy 14.6%, 2D 3.5%
A chaotic co-op tower defense where your cursor is the weapon. Grab enemies and physically YEET! them off the map, into each other, or straight into the dirt. Then back it up with towers, spells, and up to 8 players. Hold the castle solo or split the chaos with friends.
Why similar: Tower Defense 43.4%, Online Co-Op 26.7%, Multiplayer 12.5%, Strategy 9.5%, Action 3.5%
Endless TD: online co-op and PvP tower defense for 1–4 players. Build wild damage types + talent combos, merge towers into monsters, and survive evolving maps, weather, and bosses in endless waves. Climb leaderboards for highest wave (solo & team).
Why similar: Tower Defense 46.3%, Procedural Generation 17%, Strategy 15.6%, Online Co-Op 10.6%, Multiplayer 6.2%
Axon TD lets you expand the map boundaries themselves. A huge arsenal of towers and a wide variety of enemies clash in a battlefield that grows to your whims. Engage in single, cooperative, and roguelite gameplay.
Why similar: Tower Defense 31.4%, Real Time Tactics 18.7%, Online Co-Op 16.4%, Co-op 7.6%, Strategy 7.2%
A dark medieval tower defense. Build walls, arrow towers, bombards, and a castle against 13 escalating enemy types across 8 maps. Adaptive music and economy reshape every run. 4 difficulty modes, 24 Steam achievements, cloud saves, first-class controller support.
Why similar: Tower Defense 42.3%, Real Time Tactics 31.6%, Strategy 16.1%, Multiplayer 8.2%, Indie 1.3%
Transistor Defense is a strategic tower defense game where players must fend off the onslaught of a rogue sentient AI determined to overtake the network.
Why similar: Tower Defense 39.4%, Asynchronous Multiplayer 37% ★, Strategy 11%, 2D 4.1%, Sci-fi 2.9%
The demon army is coming, but your allies are busy watching stock charts. Defend, manage resources, and survive this comedic fantasy defense game without carrying the whole team alone.
Why similar: Tower Defense 34.8%, Real Time Tactics 26.9%, Strategy 10.8%, Online Co-Op 5.7%, Choices Matter 5.6%
A topdown and 3rd person game for ideally 5 players.
Why similar: Asynchronous Multiplayer 48.1% ★, Online Co-Op 28.7%, Multiplayer 11.2%, PvP 5.9%, Strategy 5%
Don't Turn Off the Light is a 5-player asymmetrical multiplayer horror game where one player becomes a demon lurking in the darkness. Survivors must rely on light, teamwork, and scavenged weapon parts to avoid possession, escape captivity, and fight back before it's too late.
Why similar: Asynchronous Multiplayer 38.3% ★, Online Co-Op 21.6%, Multiplayer 12.1%, Co-op 11.3%, PvP 5%
Gear up to dash, scale, and snatch the flag, then deliver it to your opponent's base with a mix of charm and explosive arrows. Outwit your rivals and win 3 out of 5 rounds to claim victory!
Why similar: Online Co-Op 22.9%, Team-Based 19.7%, Co-op 13.3%, Real Time Tactics 12.2%, Multiplayer 10%
Slice, burn, toss, zap, grind and gib massive hordes of repugnant orcs in this long-awaited successor to the award-winning Orcs Must Die! series.
Why similar: Tower Defense 47.8%, Co-op 17.1%, Online Co-Op 12.9%, Strategy 8.1%, Multiplayer 7.4%
Terrorhedron is the 3D, cooperative tower defense game for the PC. Unmatched challenge and complexity is introduced to the genre through 3 dimensional gameplay, micro-strategy through programmable turrets and 'edge of seat' gameplay is extended to multiplayer with up to 8 players online co-op.
Why similar: Tower Defense 71.8%, Strategy 10.8%, Online Co-Op 9.5%, Multiplayer 4.9%, Indie 3%
This is a tower defense game where you use four dice to build a turret. The rolls of the dice are the ability value of "number of shots", "time reload", "damage(& range)" and "magazine". Try your best to clear all 40 stages, which are getting more and more difficult!
Why similar: Tower Defense 51.9%, Real Time Tactics 24.1%, Strategy 17.1%, 2D 4.8%, Indie 1.5%
Tower Wars combines elements of tower defense, RTS, and all-out multi-player mayhem to bring you a completely unique experience, delivered with a fun and funny not-so-old world style!
Why similar: Tower Defense 66.2%, Strategy 10.6%, Multiplayer 9%, Co-op 7.4%, Online Co-Op 3.6%
Partner up with your friend online and set sail for an unforgettable puzzle adventure in this bite-sized standalone We Were Here experience. Work together to overcome brain-teasing challenges and make fun memories, using your best communication, teamwork and trust skills.
Why similar: Online Co-Op 26.3%, Asynchronous Multiplayer 22.6% ★, Co-op 21.4%, Team-Based 17.2%, Multiplayer 11.5%
A procedurally generated tower defense game. Shape creep pathing with defenses and buildings. Gather enough resources to keep up with increasingly powerful waves of creeps.
Why similar: Tower Defense 44.4%, Procedural Generation 24.8%, Strategy 14.2%, Real Time Tactics 10.9%, PvE 4%
Grasp Of Dread is an asymmetrical multiplayer horror game where one player takes on the role of a monster from another world and tries to escape, while the other four players are monster hunters who seek to deal with the undead as soon as possible.
Why similar: Asynchronous Multiplayer 38.6% ★, Team-Based 21.4%, Online Co-Op 19%, Multiplayer 10.5%, PvP 4.1%
A strategic tower-defense where you control powerfull drones. Unlock new tower and use specific technologies to defend your base on Thukothea!
Why similar: Tower Defense 53.2%, Real Time Tactics 19.6%, Strategy 12.7%, Sci-fi 4.8%, PvE 3.7%
Fast-paced co-op action roguelite × tower defense. Fight escalating waves, risk resources in a dangerous mine, defeat the boss - then see how long you survive in Endless.
Why similar: Tower Defense 44%, Online Co-Op 20.9%, Co-op 14.7%, Strategy 8.4%, Multiplayer 3.2%
Just Updated! Version 1.1 now has 6 New online Mayhem levels, Character Customization, 35 Defense levels, 25 Skirmish levels, and more!
Why similar: Tower Defense 68.3%, Strategy 17.6%, Multiplayer 9.9%, Indie 3.8%, Singleplayer 0.4%
Journey through colossal dungeon floors, gather powerful heroes to defend your castle, and discover legendary treasures and ancient artifacts. In the Towering Dungeon, Tower Defense meets RPG adventure. Explore, summon defenses, customize your heroes, and overcome deadly dangers during your ascent!
Why similar: Tower Defense 43.1%, Real Time Tactics 21.3%, Strategy 13.8%, Asynchronous Multiplayer 13.4% ★, 2D 2.7%
Warstone is a Tower Defense game, with RPG, Strategy, and even city building elements. Detailed Hi-res graphics and beautiful illustrations combine with a deep storyline to draw you into the world.
Why similar: Tower Defense 62.7%, Strategy 15.2%, Co-op 11.6%, Multiplayer 7.6%, Indie 2.8%
Anomaly 2 is a sequel to the critically acclaimed Anomaly Warzone Earth. Maintaining the core elements of the original, Anomaly 2 adds plenty of new features: unit morphing, over million tactical combinations, post-apo world and tower defense vs tower offense multiplayer mode.
Why similar: Tower Defense 50.5%, Strategy 23.3%, Sci-fi 8.1%, Multiplayer 7.1%, Action 6.8%
The task is very simple - do not let the enemy forces pass on the way to your base. Enemies move along a marked path while you place defense towers along the path.
Why similar: Tower Defense 44.2%, Real Time Tactics 26%, Strategy 19.2%, PvE 4.5%, 2D 3.9%
A meteorite brought to Earth a poisonous slime that infects everything in its path in order to populate the planet with inhabitants from deep space. You will face monsters together with your friends to protect your farm and defend the invaders. Do not be afraid, because your friends rely on you.
Why similar: Tower Defense 42.7%, Co-op 15.8%, Procedural Generation 13%, Multiplayer 12.7%, Team-Based 8.5%
Co-op and Single player Tower Defense genre.
Why similar: Tower Defense 49.8%, Real Time Tactics 29.5%, Strategy 14.2%, Co-op 3.7%, Procedural Generation 1.3%
A pirate-themed tower defense roguelite where players build their crew to take on the Skully Seas, liberating islands, finding helpful treasures, and encountering new pirates to add to the adventure along the way!
Why similar: Tower Defense 35.9%, Procedural Generation 17.5%, Co-op 14.4%, Online Co-Op 13.3%, Strategy 7%
“METAL SLUG”, the pinnacle of 2D action-shooting on NEOGEO returns in a brand new strategy game on Steam!
Why similar: Tower Defense 55.2%, Multiplayer 18.7%, Strategy 10.4%, Action 9.1%, 2D 6.4%
A tower defense game that we play against vampires in ancient times.
Why similar: Tower Defense 53.1%, Real Time Tactics 31.4%, Action 9.9%, 2D 4.8%, Singleplayer 0.9%
Anomaly Defenders is the closing installment of the Anomaly series. The original incarnation of the Tower Offense sub-genre had players controlling humans fighting alien invaders. Now, the tables have turned. The human counterattack is underway and the alien homeworld is under threat.
Why similar: Tower Defense 66.8%, Strategy 19.3%, Action 6.4%, Sci-fi 4.2%, Indie 3.2%
Synthetic Paradox is a sci-fi action rogue-lite mixed with tower defense elements. Fight never-ending waves of enemies and bosses, collect items and build up your defenses alone or in co-op for up to 4 players! Discover unique combinations of towers and items to help you protect your Core!
Why similar: Tower Defense 36.1%, Online Co-Op 21.5%, Co-op 14.6%, Multiplayer 9.3%, Sci-fi 8.2%
A tower defense game set in an ice age.
Why similar: Tower Defense 53.1%, Real Time Tactics 31.4%, Action 9.9%, 2D 4.8%, Singleplayer 0.9%
Build, gamble, and most of all survive in this roguelike tower defense where everything is a tile. Use the slot shop to draft towers and physical upgrade tiles to buff your grid. With hundreds of unique synergies, will you hit the jackpot or let the enemies break your base? Play the odds today!
Why similar: Tower Defense 40.6%, Real Time Tactics 23.4%, Procedural Generation 13.6%, Strategy 12.2%, Choices Matter 6.2%
Launch animals from your zoo and destroy your opponent’s zoo! A simple yet deep online real-time tower defense game built around 6-card decks.
Why similar: Tower Defense 40.2%, Real Time Tactics 28.3%, Strategy 13.4%, PvP 5.7%, Multiplayer 5.4%
A tower defense game where we try to kill skeletons and wizards in the desert.
Why similar: Tower Defense 56%, Real Time Tactics 27.1%, Action 10.5%, 2D 5.5%, Singleplayer 1%
A tower defense game where we try to kill evil mushrooms in the forest.
Why similar: Tower Defense 56%, Real Time Tactics 27.1%, Action 10.5%, 2D 5.5%, Singleplayer 1%