Games like Mr. Bomb
Games like Mr. Bomb include Rogue Legacy 2, Ori and the Will of the Wisps, Hollow Knight, Bloodstained: Ritual of the Night, and Prince of Persia The Lost Crown. We matched them by the tags players give Mr. Bomb on Steam (Casual, Action-Adventure, Arcade, Metroidvania, and Platformer): closest matches first, and among equally close ones the better-known games.

Rogue Legacy 2
Shared: Arcade · Metroidvania · Platformer

Ori and the Will of the Wisps
Shared: Metroidvania · Platformer · Action-Adventure

Hollow Knight
Shared: Metroidvania · Platformer · Indie

Bloodstained: Ritual of the Night
Shared: Metroidvania · Side Scroller · Platformer

Prince of Persia The Lost Crown
Shared: Metroidvania · Action-Adventure · Side Scroller

F.I.S.T.: Forged In Shadow Torch
Shared: Metroidvania · Platformer · Action-Adventure

Rabi-Ribi
Shared: Metroidvania · Action-Adventure · Casual

SANABI
Shared: Action-Adventure · Platformer · Cyberpunk

STRIDER
Shared: Metroidvania · Platformer · Side Scroller

Touhou Luna Nights
Shared: Metroidvania · Side Scroller · Action-Adventure

GRIME
Shared: Metroidvania · Platformer · Action-Adventure

Super Mombo Quest
Shared: Metroidvania · Arcade · Action-Adventure

Chained Together
Shared: Casual · Platformer · Action-Adventure

HAAK
Shared: Metroidvania · Platformer · Action-Adventure

!AnyWay!
Shared: Casual · Side Scroller · Arcade

The Darkest Tales — Into the Nightmare
Shared: Action-Adventure · Platformer · Metroidvania

BIT.TRIP Presents... Runner2: Future Legend of Rhythm Alien
Shared: Runner · Side Scroller · Arcade

Gensokyo Night Festival
Shared: Casual · Metroidvania · Indie

Trine 2: Complete Story
Shared: Action-Adventure · Platformer · Casual

MIO: Memories in Orbit
Shared: Metroidvania · Platformer · Action-Adventure

Constance
Shared: Metroidvania · Action-Adventure · Platformer

Rogue Legacy
Shared: Platformer · Metroidvania · Indie

Hollow Knight: Silksong
Shared: Metroidvania · Platformer · Indie

ALTF4
Shared: Runner · Arcade · Casual