Games like Cosmos
Games like Cosmos include Enter the Gungeon, Vampire Survivors, Nuclear Throne, Skul: The Hero Slayer, and Megabonk. We matched them by the tags players give Cosmos on Steam (Action, Indie, Adventure, Bullet Hell, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.
Enter the Gungeon
Shared: Bullet Hell · Pixel Graphics · Indie
Vampire Survivors
Shared: Bullet Hell · Pixel Graphics · Indie
Nuclear Throne
Shared: Indie · Pixel Graphics · Action
Skul: The Hero Slayer
Shared: Action · Indie · Pixel Graphics
Megabonk
Shared: Indie · Bullet Hell · Action
BALL x PIT
Shared: Action · Bullet Hell · Roguelike
The Binding of Isaac: Rebirth
Shared: Indie · Roguelike · Pixel Graphics
Halls of Torment
Shared: Bullet Hell · Pixel Graphics · Action
Noita
Shared: Pixel Graphics · Indie · Difficult
The Binding of Isaac
Shared: Indie · Action · Roguelike
Dead Cells
Shared: Adventure · Pixel Graphics · Roguelike
ScourgeBringer
Shared: Action · Indie · Adventure
Hades
Shared: Indie · Action · Action Roguelike
Dungreed
Shared: Action · Pixel Graphics · Indie
Risk of Rain (2013)
Shared: Indie · Action · Roguelike
One Step From Eden
Shared: Action · Difficult · Adventure
Exit the Gungeon
Shared: Indie · Action · Adventure
UFO 50
Shared: Indie · Action · Pixel Graphics
Wizard of Legend
Shared: Pixel Graphics · Action · Roguelike
Tiny Rogues
Shared: Bullet Hell · Difficult · Action Roguelike
Noobs Want to Live
Shared: Action · Bullet Hell · Pixel Graphics
Death Must Die
Shared: Bullet Hell · Pixel Graphics · Action
Streets of Rogue
Shared: Pixel Graphics · Action · Indie
Hero Siege
Shared: Pixel Graphics · Indie · Action