Games like Cleanup Crew
Games like Cleanup Crew include Vampire Survivors, Enter the Gungeon, Nuclear Throne, BALL x PIT, and Skul: The Hero Slayer. We matched them by the tags players give Cleanup Crew on Steam (Action, Action Roguelike, Puzzle, Roguelike, and Shooter): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelike

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Bullet Hell

Nuclear Throne
Shared: Action Roguelike · Roguelike · Action

BALL x PIT
Shared: Action · Action Roguelike · Roguelike

Skul: The Hero Slayer
Shared: Action · Action Roguelike · Roguelike

Risk of Rain 2
Shared: Action Roguelike · Action · Roguelike

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Action

Megabonk
Shared: Action Roguelike · Roguelike · Action

Relic Hunters Zero: Remix
Shared: Action · Action Roguelike · Looter Shooter

Escape From Duckov
Shared: Action · Shooter · Looter Shooter

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Indie

Crab Champions
Shared: Action Roguelike · Roguelike · Looter Shooter

Death Must Die
Shared: Action Roguelike · Bullet Hell · Action

Army of Ruin
Shared: Action Roguelike · Bullet Hell · Exploration

Risk of Rain (2013)
Shared: Action Roguelike · Roguelike · Action

Blazing Beaks
Shared: Action Roguelike · Roguelike · Action

Dungreed
Shared: Action Roguelike · Action · Roguelike

The Binding of Isaac
Shared: Action Roguelike · Roguelike · Action

Magicraft
Shared: Action Roguelike · Roguelike · Bullet Hell

Rocket Rats
Shared: Action Roguelike · Bullet Hell · Action

Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Bullet Hell · Exploration

Roboquest
Shared: Action Roguelike · Shooter · Action

Star of Providence
Shared: Action Roguelike · Bullet Hell · Action

SYNTHETIK: Legion Rising
Shared: Action · Action Roguelike · Top-Down Shooter