Games like Brainrot Survivor
Games like Brainrot Survivor include Vampire Survivors, Megabonk, Hades, Skul: The Hero Slayer, and BALL x PIT. We matched them by the tags players give Brainrot Survivor on Steam (Action, Roguelike, Roguelite, Bullet Hell, and Colorful): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Roguelite · Bullet Hell · Roguelike

Megabonk
Shared: Roguelike · Roguelite · Bullet Hell

Hades
Shared: Roguelite · Action · Roguelike

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

BALL x PIT
Shared: Action · Roguelite · Roguelike

Halls of Torment
Shared: Roguelite · Bullet Hell · Roguelike

Death Must Die
Shared: Roguelite · Bullet Hell · Action

Hades II
Shared: Action · Roguelike · Roguelite

Brotato
Shared: Roguelike · Bullet Hell · Roguelite

Enter the Gungeon
Shared: Roguelike · Bullet Hell · Action

Soulstone Survivors
Shared: Roguelite · Bullet Hell · Roguelike

Nuclear Throne
Shared: Roguelike · Action · Bullet Hell

Tower of Babel: Survivors of Chaos
Shared: Roguelite · Bullet Hell · Roguelike

Atomicrops
Shared: Action · Roguelike · Bullet Hell

Rabbit and Steel
Shared: Bullet Hell · Roguelike · Cute

Dungreed
Shared: Roguelike · Action · Roguelite

Sephiria
Shared: Roguelike · Roguelite · Action

Dead Cells
Shared: Roguelike · Roguelite · Action

Risk of Rain 2
Shared: Roguelike · Action · Roguelite

Rogue Legacy
Shared: Roguelike · Action · Roguelite

Gunfire Reborn
Shared: Roguelike · Roguelite · Action

Noobs Want to Live
Shared: Roguelike · Action · Bullet Hell

Nova Drift
Shared: Roguelite · Bullet Hell · Roguelike

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