Games like Bitter Belief
Games like Bitter Belief include SANABI, Celeste, Mina the Hollower, Katana ZERO, and Tomb Raider Game of the Year. We matched them by the tags players give Bitter Belief on Steam (2D Platformer, Platformer, Action-Adventure, Female Protagonist, and 2D): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: 2D Platformer · Story Rich · Pixel Graphics

Celeste
Shared: Platformer · 2D Platformer · Female Protagonist

Mina the Hollower
Shared: Action-Adventure · 2D Platformer · Female Protagonist

Katana ZERO
Shared: Platformer · 2D Platformer · Story Rich

Tomb Raider Game of the Year
Shared: Female Protagonist · Action · Story Rich

Hollow Knight
Shared: Platformer · 2D · Story Rich

Ori and the Will of the Wisps
Shared: Platformer · Action · Story Rich

Rise of the Tomb Raider™
Shared: Female Protagonist · Action · Action-Adventure

Hollow Knight: Silksong
Shared: Platformer · 2D · Female Protagonist

Portal 2
Shared: Platformer · Story Rich · Female Protagonist

Super Meat Boy
Shared: Platformer · 2D Platformer · 2D

Owlboy
Shared: Platformer · 2D · Pixel Graphics

Planet of Lana
Shared: 2D Platformer · Female Protagonist · Action

BlazBlue Entropy Effect
Shared: Action-Adventure · Platformer · 2D

Iconoclasts
Shared: Female Protagonist · Platformer · Pixel Graphics

GRIS
Shared: Female Protagonist · Platformer · Atmospheric

Rusted Moss
Shared: Platformer · 2D Platformer · Story Rich

Castlevania: Belmont's Curse
Shared: 2D Platformer · Female Protagonist · Platformer

F.I.S.T.: Forged In Shadow Torch
Shared: Platformer · 2D Platformer · Action

Skul: The Hero Slayer
Shared: Action · 2D · Platformer

Constance
Shared: Platformer · Action-Adventure · 2D

Rain World
Shared: Platformer · Atmospheric · 2D

Pizza Tower
Shared: 2D Platformer · Platformer · Pixel Graphics

Tomb Raider I-III Remastered Starring Lara Croft
Shared: Action-Adventure · Female Protagonist · Action