Games like Slime Attack: Survivor
Games like Slime Attack: Survivor include Brotato, Megabonk, Vampire Survivors, Halls of Torment, and FatalZone. We matched them by the tags players give Slime Attack: Survivor on Steam (Bullet Hell, Arena Shooter, Action Roguelike, Top-Down Shooter, and Roguelike): closest matches first, and among equally close ones the better-known games.

Brotato
Shared: Bullet Hell · Roguelike · Action Roguelike

Megabonk
Shared: Action Roguelike · Bullet Hell · Roguelike

Vampire Survivors
Shared: Bullet Hell · Action Roguelike · Roguelike

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

FatalZone
Shared: Bullet Hell · Action Roguelike · Arena Shooter

Arms of God
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelike

Tiny Rogues
Shared: Bullet Hell · Action Roguelike · Top-Down Shooter

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

Nova Drift
Shared: Bullet Hell · Action Roguelike · Arena Shooter

Noobs Are Coming
Shared: Action Roguelike · Arena Shooter · Bullet Hell

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

20 Minutes Till Dawn
Shared: Bullet Hell · Action Roguelike · Top-Down Shooter

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter

God Of Weapons
Shared: Action Roguelike · Bullet Hell · Arena Shooter

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

Army of Ruin
Shared: Bullet Hell · Action Roguelike · Top-Down Shooter

Hero Siege
Shared: Action Roguelike · Action RPG · Hack and Slash

Hades
Shared: Action Roguelike · Roguelike · Hack and Slash

Yet Another Zombie Survivors
Shared: Action Roguelike · Top-Down Shooter · Action RPG

Pathogenic
Shared: Bullet Hell · Roguelike · Top-Down Shooter

Geometry Arena
Shared: Arena Shooter · Bullet Hell · Top-Down Shooter

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

Hades II
Shared: Roguelike · Action Roguelike · Hack and Slash