Games like OTTTD on Steam
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X-Morph: Defense
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.
iBomber Defense Pacific
iBomber moves to the Pacific as you fight a whole new enemy across the Pacific rim to regain freedom.
Sairento VR
VR was made for this. Perform triple jumps, wall runs, power slides and slow time down while blasting away at a foe before landing to deliver a blade attack on another. Kit yourself with katanas, firearms, bows, throwing glaives and legendary relics. Keep upgrading as you play. PURE CYBER NINJA FUN.
Ajax’s Trial
Legendary Hoplite: Ajax's Trial is the prologue version of Legendary Hoplite, a game that combines Tower Defense and Action RPG genres. In this game, you'll need to build fortifications, upgrade your army, and create your own unique strategy to fight off hordes of monsters across 7 levels.
I'm on Observation Duty 2
Your job is to monitor live surveillance camera footage and spot anomalies in the monitored rooms. Anomalies range from furniture movement to otherworldly intruders. When you spot an anomaly you have to file a report to fix it. You will need sharp eyes and good memory to survive the entire night.
Royal Defense
The castle needs a hero – hordes of trolls are surrounding it! Build towers, save money, learn spells - don't let the enemy in! Follow the exciting story of the dwarven kingdom's eternal struggle against the troll hordes, who want only to crush the dwarves and claim their territory.
Warpips
Warpips is the ultimate quick to learn but amazingly deep tug-of-war strategy game. Deploy the right composition of soldiers, tanks, helicopters and planes in this tight, streamlined strategy-focused war game. Compose the best army, research the right tech; overwhelm your enemy!
Rain of Reflections: Set Free
Rain of Reflections is an atmospheric, dystopian adventure game with exploration and deep character interactions. Its turn-based strategic confrontations are uniquely centered around a motivation mechanic.
HoloParade
Collect your favorite characters, nurture them, and have fun just watching in this hololive fan game! It's a 2D tower defense game that offers depth for dedicated players, strategic elements, and easy enjoyment for casual players.
Crush Your Enemies
Go back to the awesome glory days of Real-Time Strategy games. Crush Your Enemies has everything you love of the genre: Planning, choosing different types of units, managing resources, taking enemy territory and outwitting your opponent with the ingenious formations of your men.
Defense Grid: The Awakening
Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.
CastleStorm
Welcome to the world of CastleStorm, a super genre mashup of 2D physics destruction mashed with tower defense brawler! CastleStorm was born out of the fond childhood memory of building and destroying LEGO castles.
Dungeon of the ENDLESS™
Dungeon of the ENDLESS™ is a Rogue-Like Dungeon-Defense game, in which the player and their team of heroes must protect the generator of their crashed ship while exploring an ever-expanding dungeon, all while facing waves of monsters and special events as they try to find their way out...
Orcs Must Die!
Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.
Cubetractor
WINNER: IGF China award for BEST GAME!Cubetractor is a neo-retroesque action-strategy-puzzle hybrid where you defeat enemies through an unconventional cube-pulling, turret-buildling mechanic. The game carries elements of a reverse tower defence and a grounded bullet-hell dodger to deliver a unique gameplay experience presented in a...
Tiny Tactics
Tiny Tactics is a Tower Defense game with a heavy focus on mazing, with mechanics inspired by the Auto Chess genre.
Aegis Defenders
Take on wild beasts, ruthless soldiers, and ancient gods in this 2D Action-Platformer inspired by Tower-Defense combat.
Fortified
Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology.
8-Bit Hordes
From the team that brought you 8-Bit Armies comes a new fantasy RTS as fast-paced and friendly as the original! 8-BIT HORDES is a colorful strategy-arcade game that is easy to learn for players of all skill levels. Collect resources, build up and defend your base, amass your army of orcs or humans and ultimately crush your opponents!
Sword Legacy: Omen
Survive strategic turn-based combat in this award-winning indie tactical RPG as you embark on an epic revenge quest in search of the long-lost Excalibur.
WARSHIFT
Unique mix of Action, RTS and RPG gameplay elements that forms an innovative game genre. You can build base, manage troops, and then come down to keep your enemy at gunpoint in the dynamic battle and customize your main characters.