Games like COSMONEON
Games like COSMONEON include Vampire Survivors, BALL x PIT, LUFTRAUSERS, UBERMOSH Vol.5, and Hotline Miami 2: Wrong Number. We matched them by the tags players give COSMONEON on Steam (Action, Arcade, Top-Down Shooter, Retro, and Spaceships): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Bullet Hell · 2D · Arcade
BALL x PIT
Shared: Action · Arcade · Top-Down Shooter
LUFTRAUSERS
Shared: Arcade · Action · Bullet Hell
UBERMOSH Vol.5
Shared: Action · Arcade · Retro
Hotline Miami 2: Wrong Number
Shared: Action · Retro · Pixel Graphics
Planes, Bullets and Vodka
Shared: Action · Retro · Arcade
Hotline Miami
Shared: Action · Retro · Pixel Graphics
UBERMOSH Vol.3
Shared: Action · Arcade · Retro
Exit the Gungeon
Shared: Arcade · Action · 2D
Cyberhunt
Shared: Action · Arcade · 2D
PAC-MAN™ Championship Edition DX+
Shared: Arcade · Action · Retro
UBERMOSH
Shared: Action · Arcade · Retro
UFO 50
Shared: Action · Retro · Arcade
ZeroRanger
Shared: Action · Arcade · Bullet Hell
Timberman
Shared: Action · Arcade · 2D
METAL SLUG
Shared: Action · Arcade · 2D
Sonic Mania
Shared: Retro · 2D · Action
UBERMOSH:OMEGA
Shared: Action · Arcade · Retro
20 Minutes Till Dawn
Shared: Top-Down Shooter · Bullet Hell · Combat
Savant - Ascent
Shared: Action · Arcade · Indie
Trip to Vinelands
Shared: Action · Arcade · Retro
Shovel Knight: Treasure Trove
Shared: Retro · Action · 2D
UBERMOSH:WRAITH
Shared: Action · Arcade · Retro
Sky Force Reloaded
Shared: Arcade · Top-Down Shooter · Action