Lost Squad — fan-made Source Engine based game in Half-Life® 2 universe about what happened to Barney Calhoun after Half-Life® 2: Episode One events and why he was not in Half-Life® 2: Episode Two
Vaultbreakers is a top-down Extraction RPG where you go on PvE or PvPvE adventures. Build your haven, loot ancient artifacts that shape your playstyle, and explore a vast, corrupted world, alone or with friends. Use preparation, knowledge, and skills to clear your path to the Dragonvault.
Experience the Half-Life™ expansion packs like never before. Operation: Black Mesa features reimaginings of both Half-Life™ Opposing Force and Half-Life™ Blue Shift through two unique campaigns. How will you survive the Black Mesa Incident? It's time to choose.
Dead Pixels II: Straight to Video is a procedurally generated side scrolling shooter set in a post apocalyptic city in the near future of 1991. Fight your way through the hordes of the undead as you try to find a way out of the city.
Join ghost-hunters Nigel Danvers and Lucy Reubans on a spine chilling haunted adventure, packed with real paranormal activity, to unravel tales of murder and mystery. Be warned, seeking answers from the dead can have bitter consequences.
Future Perfect breaks down the barrier between having an idea for a game, and playing it with friends. The Future Perfect interface allows you to create, play, and share multiplayer games quickly and easily.Games created with Future Perfect are published on Steam Workshop. You can browse, rate, and download games that interest you.
Become the commander of a mighty army of fearsome battledroids, and watch them fight in epic battles of mass destruction. Create your defences and test their strength, or send your forces to crush those of your friends and enemies online!
The world’s first underwater stealth trivia game! Play as a foreign exchange diver student in a school for dolphins, cheating, sabotaging, and manipulating your way to the top of the class!
A dialogue-free adventure RPG, driven by the story of a little girl whose family has gone missing at a ship breaking yard. Music by Secret of Mana's Hiroki Kikuta. Adventure through a child’s innocent and magical imagination as it meets the dark reality of life.
Coordinate, combine, and conquer in this high-action co-op game for two to four friends. Reclaim your planet from swarms of alien RoboBugs using the only weapon you have left, your own life-force. Grab a seat, find some friends, and give it your all in the ultimate cooperative experience.
Don't Move is an experimental puzzle platformer with a focus on ludonarrative dissonance and player investment manipulation.
Refactor is a physics-based platformer taking elements from classic Metroidvanias. Placed in a world that is a puzzle itself, you can literally turn the world upside down by rearranging the map and building your own pathways through the game.
A new puzzle game from LYNE creator Thomas Bowker with visual design by Peter Bentley.
You are Kaplan, an amnesic shadow awakening in Mnemosyn, « the land of memories ». Will you solve the mysteries of your mind ?
COLOR invites you to tackle the physics of light by using additive color theory to solve over 100 solo and co-op puzzles, each designed to challenge you with deep, intertwining puzzle mechanics and skill-based gameplay, all presented in a sleek, minimalistic art style.
No Signal is a strictly online co-op psychological horror game set in the abandoned Chornobyl Exclusion Zone. Explore decaying towns, solve tasks together, and question everything—because you and your partner may not be seeing the same reality.
Perennial is a fast paced platformer with layered difficulty. Survive the hazards, collect everything, find the hidden challenge and puzzle rooms, slide boost and speed run for coin combos, complete your hat collection, rescue a babe.
Palm Kingdoms 3 is a turn-based strategy game with deep mechanics. Explore maps, build your kingdom, and lead armies in rich, tactical combat. Here, power lies not in a single character, but in the unique Commanders you cultivate within your ranks.
The Black Door is a short and sweet horror point and click game. Players take on the role of a nameless protagonist who finds themselves trapped in a mysterious and sinister location. With a new take on the genre, utilizing new technology to allow a deeper more rich environmental exploration.
Obsidian Conflict is a cooperative multiplayer modification set in the Half-Life 2 universe. It features a large amount of new gameplay features on all-new maps specially designed for the mod with focus on cooperative gameplay, as well as Half-Life: Source all the way up to Half-Life 2: Episode 2.
Keep, feed and breed jumping spiders. A 120-trait genome inherits the way genes actually do -- dominant, recessive, carriers -- and six species cross into hybrids, so a line you breed for is a line you can keep. Level up, play the arcade, and let your favourite live on your desktop.
Silent Escape: Induction is a first-person shooter, reimagined version of the original Silent Escape, released in 2012. The story starts during the events of Half-Life 2. You play as on of the rebels named Shawn.
In a world filled with strange machines, battle flying swarms - a first in VR - and if you survive long enough, get obliterated by the MOTHER OF SWARM. FLESH & BONE is the most brutal 90s survival arena with ZERO hand holding and the freedom to chose your play style: melee, range, turret, hijack!
A cozy first-person colony game. Land on a planet you bought on credit (yours, mostly), chop, fish and farm with your own hands, then grow a town of settlers with names, needs and quirks, from the first log to a space elevator. Alone or with up to 3 friends.
