Games like Stickility
Games like Stickility include Hollow Knight, Prince of Persia The Lost Crown, Ori and the Will of the Wisps, Hollow Knight: Silksong, and MIO: Memories in Orbit. We matched them by the tags players give Stickility on Steam (Metroidvania, Exploration, Side Scroller, Action-Adventure, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Metroidvania · Platformer · Exploration

Prince of Persia The Lost Crown
Shared: Metroidvania · Exploration · Side Scroller

Ori and the Will of the Wisps
Shared: Metroidvania · Platformer · Exploration

Hollow Knight: Silksong
Shared: Metroidvania · Exploration · Platformer

MIO: Memories in Orbit
Shared: Metroidvania · Exploration · Platformer

Momodora: Reverie Under The Moonlight
Shared: Metroidvania · Side Scroller · Exploration

Touhou Luna Nights
Shared: Metroidvania · Side Scroller · Exploration

Afterimage
Shared: Metroidvania · Side Scroller · 2D Platformer

Constance
Shared: Metroidvania · Action-Adventure · Platformer

Rain World
Shared: Exploration · Atmospheric · Platformer

ANIMAL WELL
Shared: Metroidvania · Exploration · Platformer

Haiku, the Robot
Shared: Metroidvania · Exploration · Atmospheric

Well Dweller
Shared: Metroidvania · Action-Adventure · Exploration

F.I.S.T.: Forged In Shadow Torch
Shared: Metroidvania · Platformer · 2D Platformer

Bō: Path of the Teal Lotus
Shared: Exploration · Side Scroller · Metroidvania

Pronty
Shared: Metroidvania · Exploration · Side Scroller

Fatal Claw
Shared: Metroidvania · Exploration · Action-Adventure

Nine Sols
Shared: Metroidvania · Platformer · 2D

Castlevania: Belmont's Curse
Shared: Metroidvania · 2D Platformer · Action-Adventure

Monster Boy and the Cursed Kingdom
Shared: Metroidvania · Side Scroller · Exploration

Crypt Custodian
Shared: Metroidvania · Exploration · Atmospheric

9 Years of Shadows
Shared: Metroidvania · Side Scroller · Platformer

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

Rabi-Ribi
Shared: Metroidvania · Exploration · Action-Adventure