Games like Outlasters
Games like Outlasters include Vampire Survivors, Enter the Gungeon, Megabonk, Skul: The Hero Slayer, and BALL x PIT. We matched them by the tags players give Outlasters on Steam (Action, Roguelike, Bullet Hell, Action Roguelike, and 2D): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Bullet Hell · Action Roguelike · Pixel Graphics
Enter the Gungeon
Shared: Bullet Hell · Roguelike · Action Roguelike
Megabonk
Shared: Roguelike · Action Roguelike · Bullet Hell
Skul: The Hero Slayer
Shared: Action · Action Roguelike · Roguelike
BALL x PIT
Shared: Action · Bullet Hell · Roguelike
Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelike
Nuclear Throne
Shared: Roguelike · Action Roguelike · Action
Death Must Die
Shared: Bullet Hell · Action Roguelike · Action
The Binding of Isaac: Rebirth
Shared: Roguelike · Action Roguelike · Pixel Graphics
Noobs Want to Live
Shared: Roguelike · Bullet Hell · Action
Boneraiser Minions
Shared: Bullet Hell · Action Roguelike · Pixel Graphics
Dungreed
Shared: Roguelike · Action Roguelike · Action
Rogue Legacy
Shared: Roguelike · Action · Action Roguelike
Dead Cells
Shared: Roguelike · Action Roguelike · 2D
Hero Siege
Shared: Action Roguelike · Pixel Graphics · Roguelike
The Binding of Isaac
Shared: Roguelike · Action Roguelike · Action
Desktop Survivors 98
Shared: Action · Bullet Hell · Action Roguelike
Risk of Rain (2013)
Shared: Roguelike · Action Roguelike · Action
Rocket Rats
Shared: Action Roguelike · Bullet Hell · Pixel Graphics
Sephiria
Shared: Roguelike · Action Roguelike · Action
Seraph's Last Stand
Shared: Bullet Hell · Action Roguelike · Roguelike
Brotato
Shared: Roguelike · Bullet Hell · Action Roguelike
Atomicrops
Shared: Action · Roguelike · Bullet Hell
Star of Providence
Shared: Bullet Hell · Action Roguelike · Action