Sci-fi

Train an AutoDog to escape a dystopian mecha-city in this tactical roguelite. Craft powerful modular attacks, plan every move with stress-free real-time previews, and unleash devastating chain reactions to outsmart hordes of killjoy robots!

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.

A 1-8 player co-op sci-fi looter horror game that takes place on a mysterious asteroid belt where players must complete contracts by traveling to exotic planets to kill creatures, find loot, and/or farm planetary materials that they must return to an ominous figure named Sketchy.

Millions of players worldwide have flown, built, and fought their way through Captain Forever. CF Trilogy brings Captains Forever, Successor, and Impostor to Steam with a beautiful new renderer, new modules, and a reimagined world written by acclaimed novelist Cassandra Khaw.

A build-your-own-gun FPS! Play online, splitscreen or vs. AI in this goofy party game with over 600 unique weapons! Outbid your opponents and assemble the wildest weapon on Mars!

Galcon 2 is a demolition derby in space! Send swarms of ships from planet to planet to conquer the galaxy in this fast paced multiplayer strategy game!

Busy but Addictive! This BATTLE x MEDICAL Counter-Invasion Real-Time Strategy is like nothing you've ever seen! An army of aliens is here to invade the Earth! Show the Earth-style greeting to those unwanted visitors who lounge around our grounds! Lead your troops to extinguish zillions of aliens!

男主隋必安是一名FBP 探员，接到了一项异常任务：调查六个甜心女孩中谁是AI仿生人，随着调查的深入，男主对调查对象逐渐产生了不一样的情愫。至此感情和职责开始产生冲突，他陷入了一个充满迷雾和危险的境地。这是一段既扣人心弦又充满科幻色彩的有关于爱和选择故事。。

Perimeter is an innovative Real-Time-Strategy game that pits players against each other or AI opponents in a life and death struggle to seize territory and establish crucial protective “perimeters.” Players will be introduced to the game’s unique terraforming feature, allowing them to move, build, construct and destroy the map...

Urukon is an experimental grand strategy game inspired by Euro-style board games. You play as one of 32 factions on a dying alien world. Each turn, you get to take just one of 10 actions. To achieve your chosen faction's goal, you'll need to carefully juggle multiple interactive systems.

You've been trapped in a mine. You'll need to use your tools to dig your way to the exit in a fully destructible 3D voxel terrain. Manage your oxygen and equipment, and uncover the dark mystery buried deep within the mine.

Haydee III is a hardcore metroidvania with third-person shooter mechanics, platforming, puzzles, a sexy heroine and cake!