Games like Magic Forest and Nimble Warrior
Games like Magic Forest and Nimble Warrior include Celeste, Super Meat Boy, SANABI, pureya, and Downwell. We matched them by the tags players give Magic Forest and Nimble Warrior on Steam (Side Scroller, Casual, 2D Platformer, PvE, and Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: 2D Platformer · Platformer · Indie

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

SANABI
Shared: 2D Platformer · Pixel Graphics · Indie

pureya
Shared: Casual · Arcade · Side Scroller

Downwell
Shared: Platformer · Indie · 2D Platformer

Pizza Tower
Shared: 2D Platformer · Indie · Platformer

Vampire Survivors
Shared: Indie · Casual · 2D

Broforce
Shared: Platformer · 2D · Side Scroller

Turbo Pug
Shared: Casual · Side Scroller · Indie

Thomas Was Alone
Shared: Side Scroller · Platformer · 2D Platformer

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

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

Katana ZERO
Shared: Platformer · 2D Platformer · Pixel Graphics

Braid
Shared: 2D Platformer · Platformer · Indie

8BitBoy™
Shared: Casual · Platformer · Indie

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

Rogue Legacy
Shared: Platformer · Indie · 2D

Gravity Circuit
Shared: Platformer · Indie · 2D Platformer

Rogue Legacy 2
Shared: Platformer · Arcade · Indie

Timberman
Shared: Casual · Indie · Pixel Graphics

Geometry Dash
Shared: 2D · Platformer · Side Scroller

UFO 50
Shared: Indie · Arcade · Pixel Graphics

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

NINJA GAIDEN: Ragebound
Shared: 2D Platformer · Side Scroller · Platformer