Games like Stick With It
Games like Stick With It include Celeste, Webbed, Trine 2: Complete Story, Trine Enchanted Edition, and Thomas Was Alone. We matched them by the tags players give Stick With It on Steam (Casual, Physics, Sports, Arcade, and Precision Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Platformer · 2D Platformer

Webbed
Shared: Physics · 2D Platformer · Puzzle Platformer

Trine 2: Complete Story
Shared: Platformer · Puzzle Platformer · 2D Platformer

Trine Enchanted Edition
Shared: Physics · Puzzle Platformer · 2D Platformer

Thomas Was Alone
Shared: Platformer · Precision Platformer · 2D Platformer

Downwell
Shared: Precision Platformer · Arcade · Platformer

Geometry Dash
Shared: Precision Platformer · Platformer · 2D

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

Zup!
Shared: Casual · Physics · 2D

Defy Gravity Extended
Shared: Platformer · Puzzle Platformer · Casual

Climber Animals: Together
Shared: Physics · Casual · Platformer

pureya
Shared: Casual · Arcade · 2D

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

Golf Club Nostalgia
Shared: Casual · 2D Platformer · Puzzle Platformer

Peggle Deluxe
Shared: Casual · Arcade · Physics

Braid
Shared: Puzzle Platformer · 2D Platformer · Platformer

Golf With Your Friends
Shared: Casual · Sports · Physics

Zup! F
Shared: Casual · Physics · 2D

ALTF4
Shared: Physics · Arcade · Casual

Zup! S
Shared: Casual · Physics · 2D

Laughing to Die
Shared: Casual · Platformer · 2D Platformer

Zup! 2
Shared: Casual · Physics · 2D

Airscape - The Fall of Gravity
Shared: Casual · Platformer · Arcade

LIMBO
Shared: Puzzle Platformer · Platformer · 2D