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.

Similarity 50%
Price -97% 0.74€
Rating 8.8
Release 30 Aug 2017
iBomber Defense Pacific iBomber moves to the Pacific as you fight a whole new enemy across the Pacific rim to regain freedom.

Similarity 50%
Price -86% 0.84€
Rating 7.8
Release 01 Mar 2012
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.

Similarity 50%
Price -97% 0.85€
Rating 8.1
Release 06 Feb 2018
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.

Similarity 50%
Price Free to play
Rating 7.6
Release 26 May 2023
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.

Similarity 50%
Price 2.99€
Rating 8.5
Release 23 Mar 2020
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.

Similarity 50%
Price 14.79€
Rating 6.9
Release 10 Nov 2014
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!

Similarity 50%
Price -97% 0.57€
Rating 8.5
Release 21 Apr 2022
Lazerbait Lazerbait is a free arcade strategy game set in virtual reality with one simple goal: capture all the planets to build more ships and destroy your enemies!

Similarity 49%
Price Free to play
Rating 9.0
Release 13 Oct 2016
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.

Similarity 49%
Price 9.99€
Rating 7.2
Release 04 Oct 2019
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.

Similarity 49%
Price 7.79€
Rating 8.1
Release 30 Nov 2023
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.

Similarity 49%
Price -94% 0.62€
Rating 7.7
Release 13 Jul 2016
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.

Similarity 49%
Price -61% 3.14€
Rating 9.3
Release 08 Dec 2008
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.

Similarity 49%
Price -75% 2.59€
Rating 8.5
Release 29 Jul 2013
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...

Similarity 49%
Price 11.99€
Rating 8.4
Release 27 Oct 2014
Outpost Outpost brings the perfect mix between survival and roguelite gameplay. Start the game in a randomly generated environment and try to adapt, and make it through as many nights as possible. How long can you survive?

Similarity 49%
Price Free to play
Rating 8.3
Release 01 May 2020
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.

Similarity 49%
Price -95% 0.47€
Rating 9.3
Release 11 Oct 2011
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...

Similarity 49%
Price -86% 0.58€
Rating 7.1
Release 29 May 2013
Tiny Tactics Tiny Tactics is a Tower Defense game with a heavy focus on mazing, with mechanics inspired by the Auto Chess genre.

Similarity 49%
Price 8.19€
Rating 7.9
Release 05 Aug 2022
Aegis Defenders Take on wild beasts, ruthless soldiers, and ancient gods in this 2D Action-Platformer inspired by Tower-Defense combat.

Similarity 49%
Price -98% 0.46€
Rating 7.6
Release 08 Feb 2018
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.

Similarity 49%
Price -96% 0.72€
Rating 7.2
Release 03 Feb 2016
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!

Similarity 49%
Price -87% 2.00€
Rating 7.7
Release 12 Aug 2016
pyramida A village builder / survival game. Expand your village by day and fight monsters at night. Learn how to survive, and try to prevent your imminent demise . . .

Similarity 48%
Price 2.99€
Rating 8.0
Release 14 Aug 2020
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.

Similarity 48%
Price 17.99€
Rating 6.3
Release 13 Aug 2018
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.

Similarity 48%
Price 8.19€
Rating 6.8
Release 12 Oct 2016