Games like Li'l Red
Games like Li'l Red include Celeste, SANABI, Momodora: Reverie Under The Moonlight, ICEY, and Pizza Tower. We matched them by the tags players give Li'l Red on Steam (2D Platformer, Side Scroller, Female Protagonist, Anime, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.
Celeste
Shared: Pixel Graphics · 2D Platformer · Female Protagonist
SANABI
Shared: 2D Platformer · Pixel Graphics · Action
Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Side Scroller · Pixel Graphics
ICEY
Shared: Female Protagonist · Anime · Side Scroller
Pizza Tower
Shared: 2D Platformer · Platformer · Pixel Graphics
Super Meat Boy
Shared: 2D Platformer · Platformer · Pixel Graphics
Katana ZERO
Shared: Pixel Graphics · 2D Platformer · Action
Rabi-Ribi
Shared: Anime · Female Protagonist · Pixel Graphics
Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Platformer · 2D
Bloodstained: Curse of the Moon
Shared: Pixel Graphics · Side Scroller · Action
Momodora: Moonlit Farewell
Shared: Anime · Pixel Graphics · Side Scroller
Gal Guardians: Demon Purge
Shared: 2D Platformer · Side Scroller · Action
Chrono Gear: Warden of Time
Shared: 2D Platformer · Female Protagonist · Anime
Sonic Mania
Shared: Platformer · 2D · Pixel Graphics
Planet of Lana
Shared: Female Protagonist · 2D Platformer · Action
Broforce
Shared: Pixel Graphics · Action · 2D
Freedom Planet
Shared: Female Protagonist · Platformer · Action
TEVI
Shared: Anime · Pixel Graphics · Female Protagonist
The Messenger
Shared: Platformer · Pixel Graphics · 2D Platformer
NINJA GAIDEN: Ragebound
Shared: 2D Platformer · Side Scroller · Platformer
Gravity Circuit
Shared: Platformer · 2D Platformer · Pixel Graphics
Freedom Planet 2
Shared: Side Scroller · Female Protagonist · Platformer
Azure Striker Gunvolt
Shared: Anime · Platformer · Side Scroller
Afterimage
Shared: 2D Platformer · Female Protagonist · Side Scroller