可以和朋友在线一起玩的Difficult游戏共 583 款，包括Absolver、Sundered®: Eldritch Edition和Styx: Shards of Darkness。
全部游戏: 24
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.
Super Hydorah is a nonlinear horizontal shoot’ em up designed to offer a challenging experience, sublimating the richness of traditional shmup classics. Face the menace of the Meroptians aboard the Delta Lance, alone or with your friends in this game with direct action and nostalgic art.
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.
Screeps: World is an open source MMO strategy sandbox game for programming enthusiasts. You control your colony by writing JavaScript code that operates 24/7 in the huge persistent online open world.
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.
Control a car full of jerks as they explore cities, recruit weird people, rescue dogs, argue with each other, and face gigantic swarms of slow zombies. Randomly generated for a new story and rare events every time you play!
10 years of horror. 10 years of jump scares and close calls. 10 years of brutal sacrifices and thrilling escapes. Trapped forever in a realm of eldritch evil where even death is not an escape, four determined Survivors face a bloodthirsty Killer in a vicious game of nerve and wits.
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!
Idle Adventure is a text-based, multi-player online RPG game. Even without astonishing graphics or special effects, it can offer you countless hours of enjoyment.
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.
An old-fashioned beat 'em up with big doses of adrenaline and trippiness, somewhere between the classic style of Streets of Rage and the ultra-violence of Hotline Miami. Set in a cold, ruthless Soviet Union, Mother Russia Bleeds aims to conjure up anxiety, unease, and drug-addled frenzy.