Games like Slime Way
Games like Slime Way include Celeste, BETON BRUTAL, Neon White, Only Climb: Better Together, and Refunct. We matched them by the tags players give Slime Way on Steam (Precision Platformer, 3D Platformer, Difficult, Parkour, and Cute): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Difficult · Platformer

BETON BRUTAL
Shared: 3D Platformer · Precision Platformer · Parkour

Neon White
Shared: 3D Platformer · Parkour · Platformer

Only Climb: Better Together
Shared: Precision Platformer · 3D Platformer · Difficult

Refunct
Shared: 3D Platformer · Parkour · Platformer

Geometry Dash
Shared: Difficult · Precision Platformer · Platformer

VHOLUME
Shared: Parkour · 3D Platformer · Atmospheric

Hollow Knight
Shared: Difficult · Platformer · Atmospheric

Super Meat Boy
Shared: Precision Platformer · Difficult · Platformer

A Story About My Uncle
Shared: Parkour · 3D Platformer · Platformer

SEUM: Speedrunners from Hell
Shared: 3D Platformer · Precision Platformer · Parkour

Hot Lava
Shared: Precision Platformer · 3D Platformer · Parkour

White Knuckle
Shared: Parkour · 3D Platformer · Precision Platformer

Clustertruck
Shared: Parkour · 3D Platformer · Difficult

Rain World
Shared: Difficult · Atmospheric · Platformer

Pseudoregalia
Shared: 3D Platformer · Parkour · Platformer

Toree 3D
Shared: 3D Platformer · Cute · Platformer

Hollow Knight: Silksong
Shared: Difficult · Platformer · Indie

Jump King
Shared: Precision Platformer · Difficult · Platformer

Cairn
Shared: Difficult · Atmospheric · Parkour

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: 3D Platformer · Platformer · Cute

Lorn's Lure
Shared: Parkour · 3D Platformer · Difficult

Lunistice
Shared: 3D Platformer · Cute · Platformer

A Hat in Time
Shared: 3D Platformer · Cute · Platformer