Co-op Hub

The mayor of Rockhaven threw you down a hole into the Undercity. Why? Net worth too low. In this open-world simulation, you and up to 3 pals will steal, fight, and scheme to reclaim the city. Customise your rides, buy businesses, and take on the Mayor’s forces. Rockhaven is yours for the taking!

Control characters from the Touhou Project series in this shooting action game featuring high-speed aerial versus combat! Danmaku battles faster than you've ever seen will unfold in the skies of Gensokyo as you use your mobility to dodge countless bullets flying at you with a variety of spells.

DRAGON BALL: Sparking! ZERO takes the legendary gameplay of the Budokai Tenkaichi series and raises it to whole new levels. Make yours the destructive power of the strongest fighters ever to appear in DRAGON BALL!

Trivia Tricks is a quiz game featuring 8-player online where friends play free with Friend Pass! Play competitively against your friends or team up to take on trivia bosses in Co-Op! Pick from a ton of categories including user-created Quiz Packs in Steam Workshop!

Become a Gunsmith and unveil the great pleasure of working in your own workshop! Repair, restore and personalize guns to make unique pieces that every firearm lover will appreciate.

The Last Plague: Blight is an authentic survival experience rooted in realism and immersion. Endure the hazards of a brutal open world and uncover the origins of a mysterious disease. You are humanity’s final hope in ending the Blight

From the developers of Element TD 2 comes a Mazing Tower Defense where you expand the map layout itself. A huge arsenal of towers and a wide variety of enemies clash in a battlefield that shifts on your whims. Engage in single, cooperative, or roguelite gameplay.

Mechabellum is a rewarding tactical wargame where you gain victory by adapting your strategy and outthinking your opponents. Command mechanized army in a battle against humans or AI, customize your units and strategically place them on the battlefield to watch them destroy your enemies.

Fallen heroes of old folk tales and legends: you are on the verge of a crucial battle against the Nightmare invading and corrupting your world. A roguelike action game from the creators of Curse of the Dead Gods©, playable solo or in online co-op.

Echo Point Nova is an open-world FPS that offers unparalleled freedom and thrilling speed. Designed for both singleplayer and coop. From the creators of Severed Steel.