Games like Ailuri
Games like Ailuri include Hollow Knight, Cuphead, Pikuniku, Celeste, and Hollow Knight: Silksong. We matched them by the tags players give Ailuri on Steam (Adventure, Indie, 2D, Platformer, and Hand-drawn): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Platformer · 2D · Indie

Cuphead
Shared: Platformer · 2D · Indie

Pikuniku
Shared: Adventure · Indie · Cute

Celeste
Shared: Indie · Platformer · 2D

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

GRIS
Shared: Indie · Adventure · Hand-drawn

Broforce
Shared: 2D · Platformer · Indie

Webbed
Shared: Cute · 2D Platformer · 2D

Bread & Fred
Shared: Cute · 2D Platformer · Platformer

Rayman® Legends
Shared: Adventure · Platformer · 2D

Brawlhalla
Shared: 2D Platformer · Platformer · Multiplayer

BADLAND: Game of the Year Edition
Shared: Adventure · Indie · 2D

BattleBlock Theater®
Shared: Platformer · 2D · Co-op

Neva
Shared: Adventure · Indie · Platformer

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

Owlboy
Shared: Adventure · Indie · Platformer

ibb & obb
Shared: Indie · Platformer · Adventure

Castle Crashers®
Shared: 2D · Adventure · Co-op

Thank Goodness You're Here!
Shared: Adventure · Hand-drawn · Indie

Shovel Knight: Treasure Trove
Shared: Platformer · Indie · Adventure

Chained Together
Shared: Adventure · Platformer · Co-op

LIMBO
Shared: Indie · Platformer · Adventure

Terraria
Shared: 2D · Adventure · Indie

The Plucky Squire
Shared: Adventure · 2D · 2D Platformer