Games like The Lone Blade
Games like The Lone Blade include Celeste, Only Climb: Better Together, Get To Work, Super Meat Boy, and Pseudoregalia. We matched them by the tags players give The Lone Blade on Steam (Precision Platformer, 3D Platformer, Platformer, Third Person, and Difficult): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Difficult · Platformer

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

Get To Work
Shared: Precision Platformer · Difficult · 3D Platformer

Super Meat Boy
Shared: Precision Platformer · Platformer · Difficult

Pseudoregalia
Shared: 3D Platformer · Platformer · Third Person

Crash Bandicoot™ 4: It’s About Time
Shared: 3D Platformer · Platformer · Difficult

Hollow Knight
Shared: Platformer · Difficult · Indie

Sonic Adventure DX
Shared: Platformer · 3D Platformer · Third Person

Crash Bandicoot™ N. Sane Trilogy
Shared: 3D Platformer · Platformer · Difficult

Sonic Frontiers
Shared: 3D Platformer · Third Person · Platformer

Toree 3D
Shared: 3D Platformer · Platformer · Precision Platformer

Geometry Dash
Shared: Difficult · Precision Platformer · Platformer

A Difficult Game About Climbing
Shared: Difficult · Precision Platformer · Platformer

Jump King
Shared: Precision Platformer · Difficult · Platformer

Neon White
Shared: 3D Platformer · Platformer · Precision Platformer

DARK SOULS™ III
Shared: Difficult · Third Person · Lore-Rich

Psychonauts
Shared: Platformer · 3D Platformer · Third Person

Blue Fire
Shared: Precision Platformer · 3D Platformer · Platformer

Sonic Adventure 2
Shared: 3D Platformer · Platformer · Third Person

Pumpkin Jack
Shared: 3D Platformer · Third Person · Platformer

Hollow Knight: Silksong
Shared: Difficult · Platformer · Indie

The End Is Nigh
Shared: Precision Platformer · Platformer · Difficult

Wavetale
Shared: 3D Platformer · Platformer · 3D

LIMBO
Shared: Platformer · Indie · Surreal