All Games.

Lead the rebellion in an epic rogue-like adventure. Guide your jet-pack equipped post-apocalyptic volunteers through a labyrinthine underground complex by jumping, dodging, and battling against robot minions (and masters) to get to the surface — and bring life back to the scorched Earth.

Innovative Tower Defense inspired by legendary Alien Shooter series! The game was created in keeping with the best traditions of Sigma`s games, no concessions of any kind - everything is just like in real life!

Bring In Your Bounty, Dead or Alive

You are a sniper who controls time and space. Eliminate all enemies with a single bullet.

Sign up to be a galaxy trucker today! An adaptation of Vlaada Chvátil’s award-winning board game is now on Steam. Already includes the ALIEN TECHNOLOGIES expansion!

ChAIR’s fresh twist on classic side-scrolling design with modern gameplay is amplified in Shadow Complex Remastered. 10+ hrs of exploration and fast-paced combat from award-winning original game, updated with graphical enhancements, dynamic melee take-downs, and new Master Challenges.

It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!

Dreamfall: The Longest Journey, winner of multiple E3 awards as the best game in its genre, is the continuation of a saga that began in the award-winning The Longest Journey, considered to be one of the finest adventure games ever made.

Aliens are decimating New York City, only you have the technology to survive. Be The Weapon.

Wage a global war of resistance against an alien invasion. Command turn-based tactical battles, build a network of covert bases, directly control your fighter wings, and achieve strategic victory in a simulation of asymmetric warfare against a technologically superior foe.

Submarine Titans is a real-time strategy video game that takes place in the year 2115 after a comet has struck Earth, driving two human factions, the militant White Sharks and the scientific Black Octopi, to establish underwater bases and fight for dominance over the oceans.

Sublevel Zero Redux is a roguelite six-degree-of-freedom shooter in a universe where reality is falling apart. Use your zero-g gunship to fight through a vast underground facility, looting advanced weapons to destroy hordes of deadly enemies.

Protolife is an unique tower-based strategy game which gives you a direct control over the builder robot in a struggle against the hungry proto-life organism.

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.

Lightracer Spark is a Sci-Fi Narrative game. You are an amender from a high civilization, descending to various extraterrestrial worlds. Guide living beings to prosperity, or nip a spark in the bud. Accumulate strength through choices and strategies to grasp the rise and fall of all civilizations.

Ring Runner combines the fast-paced action of space combat with the rich story and skill variety of an RPG.Trek across the universe in a 30 hour long story-driven campaign based on a companion Sci Fi novel, or challenge 6 scenarios alone, cooperatively, or competitively through local or online multiplayer.

Mix Universe is a musical sandbox game where you play as a Mixonaut connecting nodes to create music that you can upload to the universe for everyone to play!

Lead an elite fighting team battling for freedom from the sinister forces of the Earth Hegemony. Engage in combat on the bloody battlefields of four unique worlds. Encased in your Powered Battle Armour (PBA) you are an unstoppable fighting force.