Serious Sam II：和朋友一起横扫怪物大军
在线或通过 LAN 与朋友并肩挑战色彩鲜艳、武器丰富的 FPS 战役，也可以切换到对战模式。
12,066 篇评测中 89% 为好评当前玩家: 140US$9.99
Classic · Difficult：适合一起玩的游戏
可以和朋友在线一起玩的Classic · Difficult游戏共 40 款，包括Serious Sam II、Giana Sisters: Twisted Dreams和Serious Sam HD: The First Encounter。
全部游戏: 16
Giana Sisters: Twisted Dreams
Giana Sisters: Twisted Dreams is a blistering hardcore platformer with contrasting worlds.
1,007 篇评测中 81% 为好评当前玩家: 2US$14.99
《Serious Sam HD》：在埃及展开合作枪战
最多16人在线合作闯过街机风格FPS战役，也可以启动Fusion 2017，与最多4人在本地分屏游玩。
7,424 篇评测中 91% 为好评当前玩家: 60
AI War: Fleet Command：把合作游戏变成银河战役
和最多七位好友一起，展开一场对抗两个 AI 帝国的长期策略战役。扩张能壮大抵抗军，但摧毁敌方关键设施也可能引来更多注意。
992 篇评测中 84% 为好评当前玩家: 3US$9.99
DOOM + DOOM II
Developed by id Software, and originally released in 1993 and 1994, the definitive, newly enhanced versions of DOOM + DOOM II are available as a combined product.
25,692 篇评测中 95% 为好评当前玩家: 316US$9.99
Quake III Arena
The greatest warriors of all time and space have been summoned to battle for the amusement of an ancient alien race. Wield a variety of guns and power-ups as you fight for glory against ruthless combatants in this fast-paced single-player and multiplayer FPS.
3,483 篇评测中 95% 为好评当前玩家: 44US$14.99
Deathmatch Classic
Enjoy fast-paced multiplayer gaming with Deathmatch Classic (a.k.a. DMC). Valve's tribute to the work of id software, DMC invites players to grab their rocket launchers and put their reflexes to the test in a collection of futuristic settings.
2,452 篇评测中 82% 为好评当前玩家: 3US$4.99
Half-Life
Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
118,309 篇评测中 96% 为好评当前玩家: 1,191US$9.99
Resident Evil 3
Jill Valentine is one of the last remaining people in Raccoon City to witness the atrocities Umbrella performed. To stop her, Umbrella unleashes their ultimate secret weapon: Nemesis! Also includes Resident Evil Resistance, a new 1 vs 4 online multiplayer game set in the Resident Evil universe.
91,769 篇评测中 84% 为好评当前玩家: 0US$7.99
Double Dragon IV
The classical side-scroll action game, "Double Dragon" series' newest sequel! A new legend begins!!
710 篇评测中 60% 为好评当前玩家: 0US$3.49
R-Type Dimensions EX
R-Type and R-Type II, the legendary coin-op space shooters, are now together on Steam!
322 篇评测中 86% 为好评当前玩家: 0US$7.49
Bullshot
Help Frank F. Franky fight the evil cardesians, zombies & robots while setting your arrested friends free. Bullshot is a run 'n gun game that tries to recover the essence of the 90s classics, such as Abuse, Contra or the Metal Slug sagas.
232 篇评测中 68% 为好评当前玩家: 0US$0.99
Arcade Mayhem Juanito
Arcade Mayhem Juanito is a retro experience about arcade-hopping. Teleport into different video games, play with unique mechanics inspired by well-known arcade games, face stunningly animated bosses and join the fight against the clonocell invasion.
205 篇评测中 96% 为好评当前玩家: 0US$9.99
Battle Fantasia -Revised Edition-
"Battle Fantasia", the fantasy RPG themed 2D Fighting game is now appearing on Steam, and "REVISED" with the latest balances and improved visual effects! Comes with FREE Soundtrack DLC!
202 篇评测中 69% 为好评当前玩家: 0US$14.99
Swords and Soldiers 2 Shawarmageddon
Take command of mighty Vikings, sly Persians or brutish Demons! Destroy your opponent’s base while defending your own in this action-packed side-scrolling RTS!
179 篇评测中 78% 为好评当前玩家: 0US$9.99
Donuts'n'Justice
Donuts 'N' Justice is a fast-paced 2d horizontal shoot-'em-up wherein you take the role of one of two Super Cops in the 1980s to defend their city against gangs, violence and corruption.
108 篇评测中 78% 为好评当前玩家: 0US$4.99