可以和朋友在线一起玩的动作（Singleplayer）游戏共 1,887 款，包括SpyParty、TY the Tasmanian Tiger 2和NARUTO SHIPPUDEN: Ultimate Ninja STORM 2。
全部游戏: 24
SpyParty is a competitive espionage game about subtle human behavior. A Spy hides in plain sight at a fancy cocktail party, trying to accomplish missions while blending in with the other guests, while a Sniper with a single bullet looks inward, searching for the Spy.
STREWTH! It's time to go back Down Under with this fully remastered version of TY the Tasmanian Tiger 2: Bush Rescue. Rang, bite, smash and glide your way around the Australian Outback and stop the evil machinations of the diabolical BOSS CASS in this open world adventure.
NARUTO SHIPPUDEN: Ultimate Ninja STORM 2 is a tour de force of Naruto thrills and spills. Impressively faithful to the universe of the anime, the game takes players through the Shippuden story arc. Ultimate Ninja STORM 2 has been remastered in HD.
The massive sequel to the original cult classic! Plan your menu, decorate your restaurant, cook hundreds of foods, and for the first time ever - earn medals by mastering dozens of themed restaurants!
Unleash your creativity and strategic prowess in Forts, the exhilarating physics-based RTS! Design, construct, and customize imposing fortresses, bristling with devastating firepower, and blast your opponent’s buildings to rubble!
Find your inner ninja with the all-new LEGO NINJAGO Movie Video Game! Play as your favorite ninjas to defend Ninjago from the evil Lord Garmadon. Master the art of Ninjagility by wall-running and high-jumping, and battle foes to rank up and upgrade the ninja's combat skills.
Feel like the star of a martial arts film in Overgrowth, as you jump, kick, throw, and slash your way to victory. Free the rabbits from their evil overlords in the main story, then play through the prequel story, and finally, try out nine years of mods developed by the community, or create your own!
Road Redemption lets you lead a biker gang on an epic journey across the country in this driving combat road rage adventure. Huge campaign, dozens of weapons, full 4-player co-op splitscreen.
Scare or be scared in this FREE adrenaline-pumping multiplayer game full of hijinks and mischief! Set traps, cast spells, and scare the living hell out of your opponent to win!
Battle Chef Brigade pairs combo-based hunting and puzzle-based cooking in a hand drawn, fantasy adventure. Cook your way into the Brigade while subduing Victusia’s destructive monsters. Follow Mina and Thrash in the single-player campaign or challenge your friends in Local Multiplayer and Daily Cook-Offs.
Runaway wizard apprentices, stolen spells, and no supervision. Blast, freeze and electrocute your way through a fairytale world in 1–4 player co-op, online or on the couch. Level up, collect staves and hats, and gather the Nine Parchments you need to complete your spellbook.
The tag-team fighting game based on the original "Umineko When They Cry" series, finally released on Steam, in English and with improved rollback netplay!
CS2D is a free fast-paced top-down multiplayer shooter. Featuring many different game modes, a built-in map editor and much more.
New playable character "Minori Amanohara" and new Arcana "Ichor" the Blood joins the battle in "Arcana Heart 3 LOVEMAX SIXSTARS!!!!!!"! More new characters to join in future updates!
Codename CURE is a first person, co-operative zombie game with support for up to five players, providing dynamic, fast-paced zombie fragging with both objective, and survival-based missions.
The ultimate top-down racing game, with 35 racing classes, over 45 visual stunning tracks, extensive career mode, championship mode and online/offline multiplayer modes.
Call of Duty®: WWII - a breathtaking experience that redefines World War II.
For bikers, there are two types of speed races: the Isle of Man TT and the rest. No race is more difficult. Take up the challenge of the legendary Snaefell Mountain course: all 37.73 miles faithfully reproduced with the champions and their bikes.
Join the Chase! In LEGO® CITY Undercover, play as Chase McCain, a police officer who's been tasked with going undercover to hunt down the notorious – and recently escaped – criminal Rex Fury and putting an end to his city-wide crime wave.
20XX is a roguelike action platformer that you can play with a friend. Jump and shoot your way through ever-changing levels, collect awesome new powers, and battle mighty bosses in the name of saving the human race maybe!
Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.
NARUTO: Ultimate Ninja STORM allows players to battle in full 3D across massive environments. Players will unleash powerful jutsu attacks, perform acrobatic evasive maneuvers and even run up walls. NARUTO: Ultimate Ninja STORM has been remastered in HD.
Shoot rubber ducky arrows, pound enemies with a rhino hammer, and help Beethoven get his groove back in the last totally normal high school themed RPGvania you’ll ever want.
建造防御设施、迎战一波波敌人，并一起培养英雄卡组。Dungeon Defenders II 是一款支持最多四人在线合作的免费游戏。