可以和朋友在线一起玩的动作（Singleplayer）游戏共 1,890 款，包括ANVIL、HALF DEAD 2和DRIFT CE。
全部游戏: 24
Take on the role of a Vault Breaker in search of alien artifacts called “Vaults” and fight against monsters and powerful bosses. You can strengthen your Breakers to explore far-away galaxies that no one has ever reached!
Go through deadly rooms of multi-storey building. Team up with other players and make your way through traps with a friendly team (CO-OP)! Or take a weapon and kill them all in the PvP game mode!
Tune your dream drift car, change parts, boost performance and challenge other players on Japan's legendary EBISU circuits!
Your avatar is a brave warrior who has fallen in battle. But instead of well-deserved peace in Asgard, his soul is trapped in the harsh world of Niffelheim. Survive in this hostile world, ransack the neighbor lands, explore dangerous dungeons and find your way to Valhalla
FORCED is a challenging 1-4-player game with co-op at its heart! A mix of tactical arcade action, RPG elements and puzzles will forge you and your friends together. As slaves in the toughest gladiator school of them all, you will face a plethora of unique trials - designed to be your death!
Onraid is a challenging 2D shooter game, where you are free to develop your own play style and tactics to destroy your enemies.
Sneak Thief is a first person, shooter, strategy, stealth and puzzle game that lets you choose how you want to play. Use your wits and expertise to setup and perform heists whether that be by using brute force to smash your way through or by getting away without making a sound.
Mushy is a round based first person shooter. The attackers plant a bomb and the defenders defuse it; all while engaging in armed combat!
Confused, you wake up sucked into an empty classroom. You have to try to escape from school by solving puzzles and discovering secrets.
Are you ready to be the ultimate soldier and fight until you defeat all of your enemies?
Retro Arcade Rally Racing... in Parking Garages?!? Precision driving with tight simple controls and arcade physics, all in a Sega Saturn style presentation
D.A.B. Your foes in co-op & PvP battles. (D)efend bases with weapons and skill. (A)ttack with clever AI armies. (B)uild amazingly creative defenses.
NOW AVAILABLE! When the Earth falls to an extra-terrestrial invasion, humanity becomes an endangered species. Earthfall is a four-player cooperative shooter that challenges players to survive hordes of ruthless alien drones and their inscrutable masters.
Saviors brings the best bullet hell experience you can find on Steam. Play through 18 challenging stages in this ultimate test of tactics and reflexes.
Occult is a dynamic cooperative game with elements of horror and quest. You are waiting for a variety of opponents, puzzles and endings!
Stay Close is open-world horror game, with options for single-player and co-op. It has an unique and new gameplay approach unseen so far in any other game. You'll find yourself in a creepy and anomalous town, what is your next move?
Vanguard Princess is a classic 2D fighting game that features an all-female cast each with its own unique fighting style. Choose from ten girls and pair them with a powerful partner to form an unstoppable team. Navigate their journeys in Story Mode or engage in head-to-head battles in Versus Mode.
Survisland is a super hardcore sandbox survival game that pays great attention to restoring the real survival experience. The character has rich and realistic actions and reactions to , and the process logic of making props is no different from reality.
From Space is a solo and co-op action-shooter for squads up to four players. Take on the challenge of liberating the earth from an alien infestation with your friends, using over-the-top weaponry in a post-apocalyptic world with awesomely stylized graphics. The apocalypse has never been so much fun!
A Simple, Fun, Multiplayer FPS game, strictly built and packaged for development testing and networking development.
Westerado: Double Barreled. When your family is murdered by a mysterious desperado, you set out into the world to take revenge. Take control of your own fate and that of others, all using your trusty shooting iron.
Woodle Tree Adventures is an old school platform game with a catchy and unique art style! Explore a total of 6 worlds and save the lands with the magical water drops you'll find through your journey, bringing back peace and balance and finally becoming the new hero!