Games like Forgotten Fragments
Games like Forgotten Fragments include Celeste, Super Meat Boy, VVVVVV, Jump King, and Cuphead. We matched them by the tags players give Forgotten Fragments on Steam (Precision Platformer, Difficult, Pixel Graphics, Indie, and Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Difficult · Pixel Graphics

Super Meat Boy
Shared: Precision Platformer · Difficult · Platformer

VVVVVV
Shared: Precision Platformer · Pixel Graphics · Indie

Jump King
Shared: Difficult · Precision Platformer · Indie

Cuphead
Shared: Difficult · Platformer · Indie

Broforce
Shared: Pixel Graphics · Platformer · Indie

Bread & Fred
Shared: Pixel Graphics · Difficult · Precision Platformer

Downwell
Shared: Precision Platformer · Pixel Graphics · Indie

SANABI
Shared: Pixel Graphics · 2D Platformer · Indie

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Platformer · Indie

Out There Somewhere
Shared: Pixel Graphics · Platformer · Indie

LIMBO
Shared: Indie · Puzzle Platformer · Platformer

Trine 2: Complete Story
Shared: Platformer · Puzzle Platformer · Puzzle

Katana ZERO
Shared: Pixel Graphics · Platformer · Indie

Rain World
Shared: Difficult · Indie · Pixel Graphics

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

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

Geometry Dash
Shared: Difficult · Precision Platformer · Platformer

It Takes Two
Shared: Puzzle · Co-op · Local Co-Op

PICO PARK
Shared: Puzzle Platformer · Co-op · Platformer

Squishy the Suicidal Pig
Shared: Indie · Platformer · Pixel Graphics

Spelunky 2
Shared: Difficult · Platformer · 2D Platformer

Hollow Knight: Silksong
Shared: Difficult · Indie · Platformer

Garbanzo Quest
Shared: Pixel Graphics · Precision Platformer · Indie