可以和朋友在线一起玩的Difficult · Singleplayer游戏共 391 款，包括Caveblazers、Hand Simulator和GUILTY GEAR Xrd REV 2。
全部游戏: 24
Caveblazers is a challenging and brutal roguelike platformer. Journey into a mysterious cave, fighting orcs and goblins with an abundance of weapons and magical items! Make friends along the way, then watch in despair as they are crushed in to a bloody pulp under a troll's fist.
There are many different levels where you can play with spinners, plunge into the subtleties of handling weapons, milk a cow, take part in a Mexican duel with your friends, have a good time fishing, play chess or simply chat in an anonymous club.
Astonishing 3D cell animations and overwhelming content volume, the next-generation fighting game "GUILTY GEAR Xrd REV 2" is now out on Steam! Total cast of 25 unique characters, and tons of game modes, get ready to ROCK!
Absolver is an online multiplayer combat game where players are placed behind the mask of a Prospect under control of the Guides, the new rulers of the fallen Adal Empire, who will determine your worth in joining their elite corps of Absolvers.
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!
Styx returns in a new stealth adventure! Explore and master huge open environments, sneak past or assassinate new enemies and bosses, and experiment with the new array of lethal abilities and weapons in our goblin assassin's arsenal.
Wild Guns Reloaded is a fast-paced arcade-style shooter, mixing the Wild West with steampunk. Play as Clint, Annie, Doris, or Bullet the dog with his sentry drone. Grab some friends and play together for some four player action!
Fight, Farm, Build and Explore Together in the standalone multiplayer expansion to the uncompromising wilderness survival game, Don't Starve.
Nex Machina is an intense arcade style twin-stick shooter from Housemarque. Taking hints from both Robotron and Smash TV, Nex Machina focuses on pure action, voxel destruction and competition in the distant, cablepunk themed future.
Get ready to enter a new era of physics platforming. Polyball is a classic ball rolling game in the vein of Super Monkey Ball, Marble Madness, and Marble Blast - while taking cues from games such as the Sonic series, Trackmania, and Mario Kart.
It's a fight for the future of the planet between the Ravagers, a merciless swarm of alien invaders, and the Earth Defense Force (EDF) in this third-person shooter.Play as four different classes in over 80 missions with a range of 800 weapons at your disposal.Co-op play supported.
Enter the Gungeon is a bullet hell dungeon crawler following a band of misfits seeking to shoot, loot, dodge roll and table-flip their way to personal absolution by reaching the legendary Gungeon’s ultimate treasure: the gun that can kill the past.
N++ is a fast-paced, momentum-based platformer about darting around obstacles, narrowly evading enemies and collecting gold in a beautiful minimalist landscape.
Lost Castle is an action RPG beat'em up with roguelike elements and randomized dungeons for up to four players online and local!
与一位朋友在线合作，在《Plague Inc: Evolved》的双人模式中传播两种疾病，同时赶在人类研发出解药之前完成目标。
Subsistence is a sandbox, first person, solo or co-op, PvE open-world survival game. Struggle through changing seasons to build a base, develop technology and gear-up in the hostile environment. Defend yourself from wildlife, the elements and AI hunters (who also build bases in the world).
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.
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.
Explore a beautiful, vast and ruined world riddled with dangers and lost technologies.
Play as an exiled 'wum' looking for a new home in this bizarre but charming world, filled with strange creatures, puzzles, monsters and political chaos.
DROD is a unique puzzle-logic game with clever mechanics and an engaging story. It is a turn-based top-down 2-D dungeon puzzler. The game play has amazing depth through emergent behaviors as puzzle elements are combined. There is a simple interface and only a handful of commands to master.
Wealthy, handsome, and... dead? Samuel strikes a deal with Death for one last shot at life, but only if he can survive a day doing everything manually. Blink, breathe, walk, and work - Guide Sam in this darkly humorous and brutally difficult adventure!
Simple yet highly flexible hi-speed 2D Fighting game! Enjoy the thrill of fighting with all the flashy moves!
与最多三位朋友在本地合作中闯荡《Nuclear Throne》的荒原。短局、共享变异和挤满画面的混战，带来街机般的喧闹。