Games like Funguys Swarm
Games like Funguys Swarm include Deep Rock Galactic: Survivor, Soulstone Survivors, Megabonk, Halls of Torment, and Death Must Die. We matched them by the tags players give Funguys Swarm on Steam (Bullet Heaven, Action Roguelike, Bullet Hell, Roguelite, and Action RPG): closest matches first, and among equally close ones the better-known games.

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Heaven · Roguelite

Soulstone Survivors
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Megabonk
Shared: Bullet Heaven · Action Roguelike · Roguelite

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

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

Rogue: Genesia
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Yet Another Zombie Survivors
Shared: Bullet Heaven · Action Roguelike · Roguelite

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Brotato
Shared: Bullet Hell · Action Roguelike · Bullet Heaven

Nova Drift
Shared: Bullet Hell · Roguelite · Action Roguelike

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

BALL x PIT
Shared: Roguelite · Bullet Hell · Action Roguelike

Tower of Babel: Survivors of Chaos
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

The Spell Brigade
Shared: Bullet Heaven · Bullet Hell · Roguelite

Conquest Dark
Shared: Bullet Heaven · Action Roguelike · Roguelite

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Roguelite

Jotunnslayer: Hordes of Hel
Shared: Bullet Heaven · Action Roguelike · Roguelite

Arms of God
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite

Vital Shell
Shared: Action Roguelike · Bullet Heaven · Roguelite

Temtem: Swarm
Shared: Bullet Heaven · Action Roguelike · Roguelite

Cursorblade
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

TerraTech Legion
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Wanderburg
Shared: Action Roguelike · Bullet Heaven · Bullet Hell