Games like Slime Killer
Games like Slime Killer include Skul: The Hero Slayer, The Binding of Isaac: Rebirth, Spelunky, Vampire Survivors, and Hollow Knight. We matched them by the tags players give Slime Killer on Steam (Action Roguelike, Arena Shooter, Exploration, Top-Down Shooter, and Auto Battler): closest matches first, and among equally close ones the better-known games.
Skul: The Hero Slayer
Shared: Action Roguelike · Roguelike · Action
The Binding of Isaac: Rebirth
Shared: Action Roguelike · Difficult · Roguelike
Spelunky
Shared: Action Roguelike · Platformer · Difficult
Vampire Survivors
Shared: Action Roguelike · 2D · Roguelike
Hollow Knight
Shared: Platformer · Difficult · Exploration
Dead Cells
Shared: Action Roguelike · Roguelike · 2D
Rogue Legacy
Shared: Action Roguelike · Platformer · Roguelike
Risk of Rain (2013)
Shared: Action Roguelike · Platformer · Roguelike
Enter the Gungeon
Shared: Action Roguelike · Difficult · Roguelike
Nuclear Throne
Shared: Action Roguelike · Difficult · Roguelike
Hollow Knight: Silksong
Shared: Difficult · Exploration · Platformer
Rain World
Shared: Exploration · Difficult · Platformer
Downwell
Shared: Action Roguelike · Platformer · Arcade
BALL x PIT
Shared: Action Roguelike · Arcade · Top-Down Shooter
Dungreed
Shared: Action Roguelike · Roguelike · Difficult
Brotato
Shared: Action Roguelike · Roguelike · Arena Shooter
The Binding of Isaac
Shared: Action Roguelike · Difficult · Roguelike
Noita
Shared: Difficult · Roguelike · Action Roguelike
Rogue Legacy 2
Shared: Arcade · Platformer · Difficult
Celeste
Shared: Difficult · Platformer · Indie
Megabonk
Shared: Action Roguelike · Roguelike · Indie
Airscape - The Fall of Gravity
Shared: Exploration · Difficult · Platformer
Tiny Rogues
Shared: Action Roguelike · Top-Down Shooter · Difficult
Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Exploration · Roguelike