Games like Planet Fatta
Games like Planet Fatta include Hollow Knight, SANABI, Katana ZERO, Sonic Origins, and Rogue Legacy 2. We matched them by the tags players give Planet Fatta on Steam (Action, Platformer, Casual, 2D Platformer, and Arcade): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Platformer · 2D · Souls-like

SANABI
Shared: Action · 2D Platformer · 2D

Katana ZERO
Shared: Action · Platformer · 2D Platformer

Sonic Origins
Shared: Action · 2D Platformer · Platformer

Rogue Legacy 2
Shared: Platformer · Action · Arcade

Broforce
Shared: Action · Platformer · 2D

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

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Side Scroller · 2D

Shovel Knight: Treasure Trove
Shared: Platformer · Action · 2D

Hollow Knight: Silksong
Shared: Platformer · 2D · Souls-like

pureya
Shared: Casual · Arcade · 2D

Anomaly Agent
Shared: 2D Platformer · Platformer · Side Scroller

Sonic Superstars
Shared: Action · Platformer · 2D Platformer

Oozi: Earth Adventure
Shared: Platformer · 2D Platformer · Casual

Downwell
Shared: Platformer · Action · Arcade

Dust: An Elysian Tail
Shared: Action · Platformer · 2D

Sonic Mania
Shared: Platformer · 2D · Action

8BitBoy™
Shared: Platformer · Action · Casual

Pizza Tower
Shared: 2D Platformer · Platformer · Action

Nine Sols
Shared: Platformer · Action · 2D

Twin Shot Deluxe
Shared: Action · Casual · 2D Platformer

SHINOBI: Art of Vengeance
Shared: Action · Platformer · 2D Platformer

Rogue Legacy
Shared: Platformer · Action · 2D

Gravity Circuit
Shared: Action · Platformer · 2D