Games like Deadline
Games like Deadline include Öoo, Leap Year, Celeste, ANIMAL WELL, and Braid. We matched them by the tags players give Deadline on Steam (Precision Platformer, Metroidvania, 2D Platformer, Puzzle Platformer, and Puzzle): closest matches first, and among equally close ones the better-known games.

Öoo
Shared: Metroidvania · Puzzle Platformer · 2D Platformer

Leap Year
Shared: Precision Platformer · 2D Platformer · Metroidvania

Celeste
Shared: Precision Platformer · 2D Platformer · Platformer

ANIMAL WELL
Shared: Metroidvania · Puzzle · Puzzle Platformer

Braid
Shared: Puzzle Platformer · 2D Platformer · Puzzle

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

Webbed
Shared: 2D Platformer · Puzzle Platformer · Cute

Hollow Knight
Shared: Metroidvania · Platformer · 2D

Planet of Lana
Shared: Puzzle Platformer · 2D Platformer · Puzzle

LIMBO
Shared: Puzzle Platformer · Puzzle · Platformer

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

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

KarmaZoo
Shared: 2D Platformer · Puzzle · Puzzle Platformer

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

Geometry Dash
Shared: Precision Platformer · 2D · Platformer

VVVVVV
Shared: Precision Platformer · 2D Platformer · Platformer

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Platformer

La-Mulana 2
Shared: Metroidvania · Puzzle Platformer · 2D Platformer

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

Moonleap
Shared: Puzzle Platformer · Puzzle · Platformer

Momodora: Reverie Under The Moonlight
Shared: Metroidvania · 2D Platformer · 2D

Pikuniku
Shared: Puzzle · Cute · Indie

Hue
Shared: Puzzle · Puzzle Platformer · Platformer

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