Games like Grave Robber
Games like Grave Robber include Celeste, Super Meat Boy, Geometry Dash, SANABI, and Downwell. We matched them by the tags players give Grave Robber on Steam (Free to Play, Indie, Action, Arcade, and Difficult): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Indie · Difficult · Precision Platformer

Super Meat Boy
Shared: Indie · Difficult · Platformer

Geometry Dash
Shared: Difficult · Platformer · 2D

SANABI
Shared: Action · Indie · 2D Platformer

Downwell
Shared: Indie · Arcade · Platformer

Shovel Knight: Treasure Trove
Shared: Indie · Platformer · Action

Skul: The Hero Slayer
Shared: Indie · Action · Platformer

Pizza Tower
Shared: Indie · 2D Platformer · Platformer

Katana ZERO
Shared: Action · Indie · Platformer

Rogue Legacy 2
Shared: Arcade · Action · Indie

VVVVVV
Shared: Indie · Platformer · Precision Platformer

Jump King
Shared: Indie · Difficult · Action

Broforce
Shared: Action · Indie · Platformer

Hollow Knight
Shared: Platformer · Difficult · Indie

The Messenger
Shared: Platformer · Indie · Action

Exit the Gungeon
Shared: Indie · Arcade · Action

Volgarr the Viking
Shared: Action · Indie · Difficult

UFO 50
Shared: Indie · Action · Arcade

Super Meat Boy Forever
Shared: Indie · Action · Difficult

Iron Snout
Shared: Free to Play · Action · Indie

Hollow Knight: Silksong
Shared: Indie · Difficult · Platformer

Himno
Shared: Free to Play · Platformer · Action

NINJA GAIDEN: Ragebound
Shared: Action · Platformer · 2D Platformer

Cuphead
Shared: Difficult · Platformer · Indie