Orcs Must Die! 2 turns trap defense into co-op chaos
Defend magical rifts with a friend in a two-player action tower defense game built around traps, weapons, and fast-moving orc waves.
92% positive of 12,942 reviewsPlaying now: 48$14.99
Tower Defense Adventure games to play together
35 Tower Defense Adventure games your group can play together online, including Orcs Must Die! 2, Dome Keeper, and Eden Rising.
All games: 11
Dome Keeper
Defend against waves of alien monsters in this unique roguelike action miner. Dig for resources, collect useful gadgets, and upgrade equipment to increase odds of survival – just hurry back before your dome is destroyed!
92% positive of 19,291 reviewsPlaying now: 0$17.99
Eden Rising
Brace yourself for a brand new action-packed Open World. Explore a huge world to gather materials for gear and defenses. Use everything at your disposal to defend your bases and defeat hordes of hostile monsters. Play solo or up to 8-player online!
63% positive of 1,444 reviewsPlaying now: 0Free
Don't get lost
A procedurally-generated, open-world, first-person colony sim. Build colonies in an infinite world, alone or with friends via Steam or self-hosted multiplayer.
78% positive of 479 reviewsPlaying now: 0Free
No Heroes Here
No Heroes Here is a frantic co-op game for 1 to 4 players, available in local and online modes. Craft and use several items effectively whilst coordinating your ragtag band of non-heroes to defend castles and survive! ...Oh, as well as saving the Kingdom in the meantime!
89% positive of 375 reviewsPlaying now: 0$14.99
MechDefender - Tower Defense
MechDefender is an innovative fusion of two gaming genres - seamlessly blending the intense action of a top-down shooter with the strategic depth of tower defense.
75% positive of 274 reviewsPlaying now: 0$4.99
Control Craft 3
Control Craft 3 is a fast paced RTS which brings together quick thinking and clever tactics for some veritable planet conquering action!
73% positive of 235 reviewsPlaying now: 0$4.99
Forbidden Ingress
Our world is in danger! Grab your gun and stop these uninvited guests!
73% positive of 226 reviewsPlaying now: 0$4.99
Ocean Keeper Co-op Drill Multiplayer
Dive into the Ocean Keeper – a cooperative roguelike where four survival miners defend their Mech Spider, fight with endless hordes of monsters, and dig for resources. Team up with your friends, upgrade between waves, and survive the deep caves, full of treasures… if you can.
73% positive of 130 reviewsPlaying now: 0$5.99
Rogue Star Rescue
Bullet Hell Insanity + Tower Defense Strategy. Rogue Star Rescue is a quirky new type of rogue-like shooter. Blast your way through diverse planets while rescuing your teammates and gathering traps for your defense strategy. Play solo or online to stop the Rogue Star before it annihilates everything!
90% positive of 122 reviewsPlaying now: 0$7.49