Games like Shroomwood
Games like Shroomwood include Vampire Survivors, Enter the Gungeon, Death Must Die, BlazBlue Entropy Effect, and Seraph's Last Stand. We matched them by the tags players give Shroomwood on Steam (Action Roguelike, Bullet Hell, 2D, Pixel Graphics, and Retro): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

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

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

BlazBlue Entropy Effect
Shared: Action Roguelike · 2D · Pixel Graphics

Seraph's Last Stand
Shared: Action Roguelike · Bullet Hell · 2D

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Pixel Graphics · 2D

UnderMine
Shared: Action Roguelike · Pixel Graphics · 2D

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

Noita
Shared: Pixel Graphics · 2D · Action Roguelike

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

Skul: The Hero Slayer
Shared: Action Roguelike · Pixel Graphics · 2D

Dead Cells
Shared: Action Roguelike · Pixel Graphics · 2D

Nuclear Throne
Shared: Action Roguelike · Pixel Graphics · Bullet Hell

Megabonk
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

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

Desktop Survivors 98
Shared: Action Roguelike · Bullet Hell · 2D

Hero Siege
Shared: Action Roguelike · Pixel Graphics · 2D

Undertale
Shared: Pixel Graphics · 2D · Bullet Hell

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

Tiny Rogues
Shared: Action Roguelike · Bullet Hell · Action-Adventure

BALL x PIT
Shared: Bullet Hell · Action Roguelike · Pixel Graphics

Rocket Rats
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

Dungreed
Shared: Action Roguelike · Pixel Graphics · 2D

Lizard Survivors: Battle for Hyperborea
Shared: Bullet Hell · Pixel Graphics · 2D