Games like Fragile Fighter
Games like Fragile Fighter include Ori and the Will of the Wisps, Hollow Knight: Silksong, GRIS, Celeste, and Hollow Knight. We matched them by the tags players give Fragile Fighter on Steam (Action, Adventure, Indie, Female Protagonist, and 2D): closest matches first, and among equally close ones the better-known games.

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

Hollow Knight: Silksong
Shared: Indie · 2D · Platformer

GRIS
Shared: Indie · Adventure · Female Protagonist

Celeste
Shared: Indie · Platformer · Female Protagonist

Hollow Knight
Shared: Platformer · Indie · 2D

Dust: An Elysian Tail
Shared: Action · Indie · Adventure

Iconoclasts
Shared: Indie · Action · Female Protagonist

SANABI
Shared: Action · Adventure · Story Rich

To the Moon
Shared: Indie · Adventure · Story Rich

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

ICEY
Shared: Action · Female Protagonist · Adventure

Freedom Planet
Shared: Action · Platformer · Female Protagonist

Neva
Shared: Adventure · Indie · Platformer

A Plague Tale: Innocence
Shared: Adventure · Story Rich · Female Protagonist

Katana ZERO
Shared: Action · Platformer · Story Rich

Seen
Shared: Indie · Adventure · Dark

Brothers - A Tale of Two Sons
Shared: Adventure · Indie · Story Rich

Nine Sols
Shared: Action · 2D · Platformer

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

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

The Vagrant
Shared: Action · Female Protagonist · 2D

MO:Astray
Shared: Action · Indie · Adventure

A Hat in Time
Shared: Adventure · Female Protagonist · Cute

LIMBO
Shared: Indie · Platformer · Adventure