3,522 Indie games your group can play together online, including Serious Sam 3: BFE, Cave Story+, and Shank 2.
All games: 24
Blast through Serious Sam 3: BFE’s campaign with up to 16 online players or four people in local split-screen, against waves of monsters in Egypt.
Explore a floating island, fight through its caves, and take on Cave Story+ with one friend in local two-player co-op.
Join a friend for two-player Survival, where you fight through escalating enemy waves, protect supply caches, and turn each arena into a weapon.
The New Fatal Error DLC includes a new 5-mission Operation and touch-screen controls.
Take on a cryptic cyberpunk campaign with up to three friends, mixing firefights, hacking, psychic powers, and character builds.
Take one of eight heroes into Demigod’s team arenas, play custom matches with friends against bots, or compete for control of the battlefield.
Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.
Up to three players share one city map in Atom Zombie Smasher, directing a helicopter and mercenary units through short, unpredictable zombie rescues.
A rock-solid combination of rock-rolling action, deep strategy, and captivating art and music from different ages of history, this is a game of crush or be crushed!
Team up as demon hunters, clear four escalating waves, and fight through grim arenas in The Haunted: Hells Reach.
Shank’s separate two-player prequel puts you in a local side-scrolling brawl of weapon combos, tag-team attacks, and co-op bosses.
For uncounted years, DeathSpank has been a Dispenser of Justice, a Vanquisher of Evil, and a Hero to the Downtrodden.
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!
Clear an arcade FPS campaign with up to 16 online players, or use Fusion 2017 for local split-screen with up to four on one display.
Fly custom cooperative maps with friends on the community-run Alti+ Coop server, or take Altitude’s standard modes into competitive aerial matches.
Up to three friends can play online or on one shared screen, combining a wizard's conjured objects, a thief's grappling hook and a knight's strength across 15 fairytale levels.
Beat Hazard turns music from your library into a colorful twin-stick shooter, with two-player local co-op in the base game and online co-op in its optional Ultra DLC.
Shatter is a retro-inspired brick-breaking game that merges familiar action with unique twists and a modern crafted production approach.
Join up to seven friends in a long strategy campaign against two AI empires. Expansion helps your resistance, but destroying key enemy infrastructure can draw more attention.
Dystopia is a cyberpunk game with tense combat situations in a high-tech world spanned by computer networks. Playing as either Punk mercenaries, or Corporate security forces, the player will fight through the physical world to gain access, via jack-in terminals, to cyberspace.
A turn-based online fantasy card game. No character leveling, no grinding, no deck building - just 100% skill-based and fast-paced card battles!
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.
Garry's Mod has no built-in co-op campaign, but its online Sandbox gives you and your friends physics tools, props, and a huge community workshop to turn an empty map into your own project.
Command one of six world regions as radar, fleets, bombers, and nuclear silos turn DEFCON's tense alliance game into a contest to lose the least.