9 Action · FPS · Mod games your group can play together online, including Battle Grounds III, Black Mesa, and Codename CURE.
All games: 9
After 6 years of development, Battle Grounds III (BG3) is the next iteration in the classic franchise which began 17 years ago. Prepare for battle in the American War of Independence!
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.
Multiplayer based, first person enabled, action packed and skill demanding shooter set in the Wild West times. A unique combination of non stop action and slow but powerful weaponry.
Step into the ultimate three-way war for honor, glory, and gold! This beloved community-driven game brings together swashbuckling Pirates, battle-hardened Vikings, and chivalrous Knights in hilarious and intense class-based combat. Join the fun, embrace the chaos, and fight your way to victory!
Team up as survivors, scavenge weapons, and barricade rooms while player-controlled zombies close in. Zombie Panic! Source is online PvP with cooperative play inside each team.
One of the most popular online action games of all time, Team Fortress Classic features over nine character classes -- from Medic to Spy to Demolition Man -- enlisted in a unique style of online team warfare. Each character class possesses unique weapons, items, and abilities, as teams compete online in a variety of game play modes.
Talvisota for Rising Storm 2 brings players from the steaming jungles of Vietnam to the frozen forests of Finland, during the Soviet-Finnish Winter War of the late 1930s.