Games like OTTTD on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like OTTTD are available at the bottom of the page.
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Oh My Gore!
Control the Powers of Evil to crush the Good Guys! Take control of the revived God of War Raelius, recruit evil minions, build bastions of doom and command your groveling servants.
Space Run Galaxy
Space Run Galaxy is the sequel to Space Run, the game from one-man studio Passtech, which seduced hundreds of thousands of players with its dynamic and original gameplay. By twisting the tower-defense game style, Space Run offered an addictive real-time spaceship construction strategy experience.
Dungeon Warfare 2
Become a dungeon lord to defend your dungeons with the deadliest of traps and insidious contraptions against greedy adventurers and wannabe heroes.
Fieldrunners
Fieldrunners is now available on Steam! Download it now to play the hit tower defense game critics and fans have been raving about. Descend into the world of Fieldrunners, the most anticipated and visually stunning game in tower defense history!
Creeper World: Anniversary Edition
Imagine an enemy that is everywhere and moves like a giant, organic mass across the map. Imagine your base and your people surrounded by a blanket of crushing destruction from all directions. Your only hope, well what hope? Then you take the high ground and pound this enemy into oblivion.
Visitor 来访者
Visitor is a full-motion video (FMV) detective suspense game. The game tells a story that on a winter night in 2017, a murder case happened in a residential building, a prostitute Shasha died in her own home.
Risen Kingdom
Risen Kingdom is a real-time strategy game. Build and fortify your settlements to survive and push back armies of the undead.
Creeper World 2: Anniversary Edition
Deceptively simple... amazingly deep. Creeper World 2 thrusts you into the 14th millennium fighting and enemy that flows and oozes through the terrain. Employ advanced weapons,gravity manipulating repulsors, wormhole like rifts, and your own wit against this never yielding enemy.
Particula
Destroy negativity, clear your mind! Particula brings you a new perspective in gaming, helping you to concentrate and relax. A three players co-op tower defense experience with a relaxing soundtrack, smooth visuals and gameplay.
Cursed Treasure 2
Why be good when you can be... bad? Cursed Treasure 2 is an addictive tower-defense game that puts the power of darkness at your fingertips. Build towers of powerful orcs, demons, and undead, and master powerful spells, to protect your precious hoard from all manner of no-good do-gooders.
Defend Your Life: TD
Defend Your Life! Is tower defense set in human body where players are fighting against villain hordes of viruses and bacteria. Levels and units correspond to reality of human anatomy.
MarZ: Tactical Base Defense
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.
Anomaly Defenders
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.
Northend Tower Defense
Jump into a realtime strategy, action filled battlefield, deploy relentless soldiers, unlock powerful troops and vehicles, upgrade your army, decimate the enemy. If that's not enough, jump into a chaotic Zombie mode, with traps, fun upgrades, and a new gameplay!
The White Laboratory
The White Laboratory is a sandbox style physics-based tower defense and RTS game in which you modularly build and command robotic structures. Use them to defend against or conquer other disobedient mechanical blocks on a facility floating in the atmosphere of a remote gas planet.
HERO DEFENSE
CREEPS CRUMBLE. HEROES RISE. Command a team of renegade heroes and impale, slash, tear and burn through legions of undead hell-bent on world domination. Your mission: to defeat the world’s most powerful vampire, Count Necrosis.
Bardbarian
You play as Brad the barbarian, who is awoken to the sounds of his town under siege. Today is different though; Brad has grown tired of fighting all the time. The usual grind for XP has grown dull, and he has decided to pursue his dreams of making music instead of shedding blood.
Terrorhedron Tower Defense
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.
Creeper World 3: Arc Eternal
Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.
Last Hope - Tower Defense
Zombie Tower Defense: Join the ongoing war, in an open world, against the undead zombie horde. Choose between multiple powerful heroes all with unique epic gear and skills! With the wide variety of towers you can create your own perfect strategy.
War, the Game
'War, the Game' is a RTS for pc in realistic present day setting.The controls are intuitive, the game rules are simple and transparent.The game focuses on strategy and the use of ones brain to complete the scenarios.The map is a spherical version of earth. That's new.
YORG.io
YORG.io is a game with an original twist on supply chains and zombies. Your goal is to build a base which survives the night which is when zombies attack. Build and upgrade defensive towers to protect your base and try to survive as long as possible.
Most played games like OTTTD on Steam
Take a look at the top games like OTTTD that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.
1. Tower Dominion
Similarity 40% Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line! Tower Dominion is a tower defense, strategy and base-building game developed and published by Parallel 45 Games. Released on May 07th 2025 has received 1,843 reviews of which 1,539 were positive and 304 were negative resulting in a rating of 8 out of 10. The game has hit the top spot as the #1 most played game like OTTTD, thanks to its 1,085 peak concurrent players over the last day.
8
1,539
304
1,085
players
2. Bloons TD Battles 2
Similarity 40% From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons! Bloons TD Battles 2 is a free to play, tower defense and multiplayer game developed and published by Ninja Kiwi. Released on November 30th 2021 has received 32,320 reviews of which 27,193 were positive and 5,127 were negative resulting in a rating of 8.3 out of 10. While seeing 535 players online at once in the last 24 hours, this game is currently ranked #2 among games like OTTTD based on player count.
8.3
27,193
5,127
535
players
3. The Perfect Tower II
Similarity 45% The Perfect Tower II is a mix between an incremental and a tower defense game. Build a town, manage resources and explore a variety of mini-games and tons of upgrades. Fully automate your game and watch numbers going up! The Perfect Tower II is a strategy, idler and tower defense game developed and published by Fire Sword Studios. Released on February 26th 2021 has received 3,639 reviews of which 3,201 were positive and 438 were negative resulting in a rating of 8.5 out of 10. While seeing 530 players online at once in the last 24 hours, this game is currently ranked #3 among games like OTTTD based on player count.
8.5
3,201
438
530
players
4. Thronefall
Similarity 46% A minimalist game about building and defending your little kingdom. Thronefall is a tower defense, strategy and city builder game developed and published by GrizzlyGames. Released on October 11th 2024 has received 20,544 reviews of which 19,846 were positive and 698 were negative resulting in an impressive rating of 9.4 out of 10. With 339 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like OTTTD.
9.4
19,846
698
339
players
5. Age of Darkness: Final Stand
Similarity 57% 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. Age of Darkness: Final Stand is a tower defense, action rts and rts game developed and published by PlaySide. Released on January 15th 2025 has received 9,463 reviews of which 7,267 were positive and 2,196 were negative resulting in a rating of 7.5 out of 10. With 293 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like OTTTD.
7.5
7,267
2,196
293
players
6. Emberward
Similarity 43% Build twisting mazes with tetromino blocks and deploy unique towers in this engaging roguelite tower defense game! Emberward is a early access, tower defense and strategy game developed and published by Refic Games. Released on June 25th 2024 has received 2,685 reviews of which 2,609 were positive and 76 were negative resulting in an impressive rating of 9.3 out of 10. With 242 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like OTTTD.
9.3
2,609
76
242
players
7. Creeper World 3: Arc Eternal
Similarity 59% Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all. Creeper World 3: Arc Eternal is a tower defense, strategy and indie game developed and published by Knuckle Cracker. Released on March 27th 2014 has received 4,647 reviews of which 4,487 were positive and 160 were negative resulting in an impressive rating of 9.3 out of 10. With 185 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like OTTTD.
9.3
4,487
160
185
players
8. Kingdom Rush 5: Alliance TD
Similarity 44% While a formidable evil emerges, an unexpected alliance is taking shape! It will take the finest warriors of Linirea and the relentless Dark Army to stop it. Beware! Though they may journey side by side the ever-changing winds of fate could swiftly alter their course. Kingdom Rush 5: Alliance TD is a strategy, tower defense and 2d game developed and published by Ironhide Game Studio. Released on July 25th 2024 has received 8,855 reviews of which 7,763 were positive and 1,092 were negative resulting in a rating of 8.5 out of 10. With 159 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like OTTTD.
8.5
7,763
1,092
159
players
9. Zero-K
Similarity 41% With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps. Zero-K is a strategy, free to play and rts game developed and published by Zero-K Team. Released on April 27th 2018 has received 3,922 reviews of which 3,678 were positive and 244 were negative resulting in an impressive rating of 9.0 out of 10. With 141 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like OTTTD.
9.0
3,678
244
141
players
10. GemCraft - Frostborn Wrath
Similarity 42% The epic tower defense dark fantasy journey continues! Create powerful gems with various abilities and take on the battle against an endlessly flowing army of monsters, and face the growing darkness as you fight your way back towards the Spiritforge. GemCraft - Frostborn Wrath is a tower defense, difficult and rts game developed and published by Game in a Bottle. Released on January 10th 2020 has received 2,699 reviews of which 2,390 were positive and 309 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #10 spot among the most played games like OTTTD.
8.5
2,390
309
95
players
Best deals on games like OTTTD on Steam
Discover fantastic savings with the best discounts on a variety of games like OTTTD available on Steam right now, updated on June 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like OTTTD.
1. Fell Seal: Arbiter's Mark
Similarity 41% Fell Seal: Arbiter's Mark is a turn-based tactical RPG with a focus on storytelling and strategic battles. Unfold a mature story as you progress through hand-crafted scenarios, controlling your own group of Arbiters, with each character customizable from a wide selection of classes and abilities! Fell Seal: Arbiter's Mark is a rpg, strategy and turn-based tactics game developed by 6 Eyes Studio and published by Fulqrum Publishing. Released on April 30th 2019 has received 5,987 reviews of which 5,281 were positive and 706 were negative resulting in a rating of 8.5 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like OTTTD.
8.5
5,281
706
-99%
29.99€
0.50€
2. Iratus: Lord of the Dead
Similarity 41% Iratus: Lord of the Dead is a turn-based tactical roguelike RPG set in a dark fantasy universe. Lead an army of undead to help an angry necromancer in his quest to reach the surface world and bring death to the mortal realms! Iratus: Lord of the Dead is a rpg, strategy and indie game developed by Unfrozen and published by Daedalic Entertainment. Released on April 23rd 2020 has received 7,810 reviews of which 6,694 were positive and 1,116 were negative resulting in a rating of 8.3 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like OTTTD.
8.3
6,694
1,116
-99%
29.99€
0.59€
3. HERO DEFENSE
Similarity 60% CREEPS CRUMBLE. HEROES RISE. Command a team of renegade heroes and impale, slash, tear and burn through legions of undead hell-bent on world domination. Your mission: to defeat the world’s most powerful vampire, Count Necrosis. HERO DEFENSE is a tower defense, strategy and indie game developed by Happy Tuesday and published by Headup. Released on May 31st 2016 has received 747 reviews of which 471 were positive and 276 were negative resulting in a rating of 6.1 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like OTTTD.
6.1
471
276
-99%
29.99€
0.56€
4. ReignMaker
Similarity 47% ReignMaker: Saving the World One Tower at a Time. ReignMaker is a match-3 game with tower defense, city building, and political strategy elements. Your policy decisions determine the fate of your city and the direction of the story. Your match-3 and tower defense skills determine the fate of the world. ReignMaker is a casual, strategy and indie game developed and published by Frogdice. Released on April 16th 2014 has received 410 reviews of which 260 were positive and 150 were negative resulting in a rating of 6.1 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like OTTTD.
6.1
260
150
-99%
14.99€
0.20€
5. X-Morph: Defense
Similarity 50% 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. X-Morph: Defense is a tower defense, strategy and action game developed by and published by Exor Studios. Released on August 30th 2017 has received 3,823 reviews of which 3,506 were positive and 317 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like OTTTD.
8.8
3,506
317
-98%
19.99€
0.54€
6. Fibbage XL
Similarity 41% NOTE: This game first appeared in The Jackbox Party Pack. It’s Fibbage XL – The Hilarious Bluffing Party Game in standalone form! Fool your friends with your lies, avoid theirs, and find the (usually outrageous) truth. “The mayor of Rabbit Hash, Kentucky is a ____.” Baby? Rabbit? Ham sandwich? Go! Fibbage XL is a strategy, casual and indie game developed and published by Jackbox Games and Inc.. Released on March 24th 2016 has received 318 reviews of which 301 were positive and 17 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like OTTTD.
8.7
301
17
-98%
9.99€
0.22€
7. DG2: Defense Grid 2
Similarity 55% Setting the bar as the definitive tower defense game, Defense Grid 2 introduces new worlds and threats to test your tower placement strategies. With a bold new look and the addition of new game modes, player-versus-player and multiplayer co-op, every play brings fun new opportunities and challenges. DG2: Defense Grid 2 is a strategy, tower defense and indie game developed by Hidden Path Entertainment and published by Hidden Path Entertainment and 505 Games. Released on September 23rd 2014 has received 3,163 reviews of which 2,723 were positive and 440 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like OTTTD.
8.3
2,723
440
-98%
12.49€
0.26€
8. Go Home Dinosaurs!
Similarity 51% Todd Rex wants steak. Todd Rex wants YOUR steak. Are you gonna let him take it? No way! Go Home, Dinosaurs!Prevent hordes of marauding Dinos from crashing your party in the world’s premier BBQ defense simulator! Unlock powerful towers that act like little weaponized puzzle pieces. Go Home Dinosaurs! is a tower defense, casual and strategy game developed and published by Fire Hose Games. Released on March 14th 2013 has received 600 reviews of which 524 were positive and 76 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like OTTTD.
8.2
524
76
-98%
9.75€
0.29€
9. Deathtrap
Similarity 53% Deathtrap is a Tower Defense game with strong action-RPG elements, a game of vicious tricks, killing machines, rotating blades and splattering blood. Deathtrap is a tower defense, rpg and action game developed and published by NeocoreGames. Released on February 04th 2015 has received 2,194 reviews of which 1,842 were positive and 352 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like OTTTD.
8.1
1,842
352
-98%
19.99€
0.49€
10. Popup Dungeon
Similarity 41% A tactical roguelike RPG inspired by our favorite tabletop games that lets you create any ability, item, villain, hero, and game imaginable. Popup Dungeon is a rpg, strategy and indie game developed by Triple.B.Titles and published by Humble Games. Released on August 12th 2020 has received 1,020 reviews of which 772 were positive and 248 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like OTTTD.
7.3
772
248
-98%
24.99€
0.51€
Free games like OTTTD on Steam
Check out this fantastic list of free-to-play games like OTTTD you can enjoy on Steam right now, updated on June 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like OTTTD.
1. Bloons TD Battles 2
Similarity 40% From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons! Bloons TD Battles 2 is a free to play, tower defense and multiplayer game developed and published by Ninja Kiwi. Released on November 30th 2021 has received 32,320 reviews of which 27,193 were positive and 5,127 were negative resulting in a rating of 8.3 out of 10. With 535 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like OTTTD.
8.3
27,193
5,127
535
players
2. The Perfect Tower II
Similarity 45% The Perfect Tower II is a mix between an incremental and a tower defense game. Build a town, manage resources and explore a variety of mini-games and tons of upgrades. Fully automate your game and watch numbers going up! The Perfect Tower II is a strategy, idler and tower defense game developed and published by Fire Sword Studios. Released on February 26th 2021 has received 3,639 reviews of which 3,201 were positive and 438 were negative resulting in a rating of 8.5 out of 10. Thanks to its free to play tag and a daily player base of 530, this game has secured the #2 spot in the ranking of free games like OTTTD.
8.5
3,201
438
530
players
3. Zero-K
Similarity 41% With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps. Zero-K is a strategy, free to play and rts game developed and published by Zero-K Team. Released on April 27th 2018 has received 3,922 reviews of which 3,678 were positive and 244 were negative resulting in an impressive rating of 9.0 out of 10. Thanks to its free to play tag and a daily player base of 141, this game has secured the #3 spot in the ranking of free games like OTTTD.
9.0
3,678
244
141
players
4. Royal Revolt II
Similarity 42% Royal Revolt 2 is an asynchronous PvP Reverse Tower Defense game full of medieval magic and action-laden battles.Can you set up your defenses so other Kings and Queens can't crash your castle gates? We're throwing down the gauntlet. Will you pick it up? Royal Revolt II is a action rpg, tower defense and strategy game developed and published by Flaregames. Released on May 19th 2021 has received 324 reviews of which 246 were positive and 78 were negative resulting in a rating of 7.1 out of 10. The game currently holds the #4 spot among the most played free games like OTTTD.
7.1
246
78
47
players
5. Emporea: Realms of War and Magic
Similarity 42% Emporea is an oldschool fantasy strategy game, where cooperation with other players is necessary to achieve victory. Only the best alliance can win! Multiple realms available, with new ones starting every two weeks. Emporea: Realms of War and Magic is a free to play, strategy and massively multiplayer game developed and published by Pixel Federation. Released on June 08th 2016 has received 526 reviews of which 359 were positive and 167 were negative resulting in a rating of 6.6 out of 10. The game currently holds the #5 spot among the most played free games like OTTTD.
6.6
359
167
46
players
6. War of Omens Card Game
Similarity 42% War of Omens is a CCG with a unique Deckbuilder combat system and deep strategy. Set in a masterfully crafted dark fantasy world, it features fast, strategic battles with 4 distinct factions and over 20 heroes. Challenge the online ladder, conquer the story mode, or compete in a cross faction draft! War of Omens Card Game is a free to play, strategy and indie game developed and published by Fifth Column Games. Released on February 18th 2019 has received 682 reviews of which 589 were positive and 93 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #6 spot among the most played free games like OTTTD.
8.1
589
93
16
players
7. Crystal Clash
Similarity 43% Crystal Clash is a mix of Lane Battles and Deckbuilding - with action-packed tug-of-war strategy, just like your favorite RTS mods from back in the day! :) Play 2v2 or co-op with a friend, or pair up with new allies and enemies! Collect cards, build your decks and have fun crushing your enemies! Crystal Clash is a action rts, tower defense and casual game developed and published by Crunchy Leaf Games. Released on January 14th 2022 has received 1,322 reviews of which 1,096 were positive and 226 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #7 spot among the most played free games like OTTTD.
7.9
1,096
226
8
players
8. Crustacean Nations
Similarity 48% 🦀Crustacean Nations🦀 is a real-time strategy game about total crab warfare. Build a sprawling sand castle and amass huge armies to dominate the beach and become the one true crustacean nation! Crustacean Nations is a strategy, casual and action rts game developed and published by Team Beans. Released on August 19th 2022 has received 460 reviews of which 427 were positive and 33 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #8 spot among the most played free games like OTTTD.
8.6
427
33
4
players
9. Clatter
Similarity 40% Create and command your own customizable squads of fighting robots in this turn-based, arena tactics game. Clatter is a strategy, indie and turn-based game developed and published by Facepunch Studios. Released on December 10th 2018 has received 1,146 reviews of which 948 were positive and 198 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #9 spot among the most played free games like OTTTD.
7.9
948
198
4
players
10. Red Planet Farming
Similarity 40% Become the first Agricultural Director of Mars in Red Planet Farming! This casual strategy game tasks players with producing enough food to feed a growing population of settlers on the red planet. Red Planet Farming is a strategy, indie and sci-fi game developed by Nina Demirjian, Sean Park and Sean Porio and published by Nina Demirjian. Released on May 25th 2020 has received 832 reviews of which 800 were positive and 32 were negative resulting in an impressive rating of 9.0 out of 10. The game currently holds the #10 spot among the most played free games like OTTTD.
9.0
800
32
3
players