188 Action · Dark games your group can play together online, including Warhammer 40,000: Inquisitor - Martyr, Sundered®: Eldritch Edition, and Grim Dawn.
All games: 24
Enter the Chaos-infested Caligari Sector and purge the unclean with the most powerful agents of the Imperium of Man! W40k: Inquisitor – Martyr is a grim Action-RPG featuring multiple classes of the Inquisition who will carry out the Emperor’s will.
Sundered is a chaotic hand-drawn metroidvania where you resist or embrace ancient eldritch powers, a challenging and unique take on a classic genre from the creators of Jotun, now with local co-op!
Join up to three friends in Grim Dawn’s ruined world, pair character classes, and take on monsters together with shared or personal loot.
The hit crossover 2D fighter finally makes its way to PC, updated to the latest arcade version for character balancing, added background animations and additional winning poses. It also includes all DLC from the console release, such as additional fighters Homura and Heart, in a single value package.
Explore a haunting, punishing island in this stylized 2D action RPG. Salt and Sanctuary combines fast and brutal 2D combat with richly developed RPG mechanics in a cursed realm of forgotten cities, blood-soaked dungeons, and desecrated monuments.
An international hit anime "Attack on Titan" has come to Steam®! Battle is joined between the man-eating Titans and Eren and his companions. Experience the illusion of being in the anime, and controlling the flow of the story. The story from the anime, with a few original twists, is yours to experience!
From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.
Based on the community award-winning Doom2 mod with the same name by the same creator, UNLOVED is reimagined in the Unreal Engine 4 to bring forth the unspeakable terror in new ways. Play coop with your friends, increase your skills, mod your weapons and face the horror that this unearthly place holds...
The Binding of Isaac: Rebirth is a randomly generated action RPG shooter with heavy Rogue-like elements. Following Isaac on his journey players will find bizarre treasures that change Isaac’s form giving him super human abilities and enabling him to fight off droves of mysterious creatures, discover secrets and fight his way to safety.
From the creators of Amnesia: The Dark Descent and Dear Esther comes a new first-person horrorgame that will drag you to the depths of greed, power and madness. It will bury its snout into your ribs and it will eat your heart.
Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.
All new DLC, Retro Fever, Now Available!
You are the leader of an elite squad of Republic Commandos, your mission is to infiltrate, dominate, and ultimately, annihilate the enemy. Your squad will follow your orders and your lead, working together as a team - instinctively, intelligently, instantly. You are their leader. They are your weapon.
Dystopia is a cyberpunk game with tense combat situations in a high-tech world spanned by computer networks. Playing as either Punk mercenaries, or Corporate security forces, the player will fight through the physical world to gain access, via jack-in terminals, to cyberspace.
Enter the nightmarish world of Last Year, where you and four other classmates try to survive, fight back and ultimately escape a horrifying Fiend in this unique horror asymmetric game.
Never Split the Party is an ultra social rogue-like! You're one of four adventurers joining together to explore a procedurally generated dungeon, amass powerful upgrades, and cooperate with your fellow adventures to conquer and crush the evil dungeon champions!
Boo Men is a 1-4 player online co-op horror game. You and your crew of burglars are tasked with stealing from ghosts. Just remember to stay in the light because you never know what could be lurking in the dark...
A 2-Player Networked Horror Co-Op game. Explore the deepest recesses of your mind to put yourself back together. Work together to defend yourself from its denizens.
DARKSBURG is a co-op roguelite in which you must escape a procedurally generated medieval city overwhelmed by undead forces. Fight alongside up to 3 friends, overcome the revenants and get out while you can...
This is a leisure competitive game, fighting for crystals in the arena, getting bigger, defeating opponents. New heroes, new skills and new weapons, call your friends to fight together~
Occult is a dynamic cooperative game with elements of horror and quest. You are waiting for a variety of opponents, puzzles and endings!
Shadowgrounds breathes fresh air into the action genre with explosive combat sequences, an innovative weapon upgrade system, and an intriguing storyline. The adrenaline-pumping, top-down gameplay and audiovisual fireworks set the scene for this new action experience which also includes single computer (split keyboard or joystick) co-op...
They Breathe is a short journey into the depths of a forest filled with water. As you swim deeper, it's up to you to figure out the rules of an insidious ecosystem where nothing is as it first seems, and where everyone is after the same precious resource – oxygen!
Create and manage your team in a violent, dystopic world of no-rules, fast-paced, arcade-style, ice hockey action. Adjust training regimens, control diets, administer black market pharmaceuticals, and provide healthcare (or not) to a ragtag team of convicts at the mercy of your underhanded tactics.