Games like Atomic Hazard
Games like Atomic Hazard include SANABI, LIMBO, Trine 2: Complete Story, Webbed, and Öoo. We matched them by the tags players give Atomic Hazard on Steam (Side Scroller, 2D Platformer, Puzzle Platformer, Puzzle, and Platformer): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: 2D Platformer · Action · Pixel Graphics

LIMBO
Shared: Puzzle Platformer · Puzzle · Platformer

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

Webbed
Shared: 2D Platformer · Puzzle Platformer · Platformer

Öoo
Shared: Puzzle Platformer · 2D Platformer · Puzzle

Portal 2
Shared: Puzzle · Platformer · Puzzle Platformer

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

Braid
Shared: Puzzle Platformer · 2D Platformer · Puzzle

Defy Gravity Extended
Shared: Puzzle Platformer · Platformer · Puzzle

HAAK
Shared: Puzzle Platformer · Platformer · Side Scroller

ElecHead
Shared: Puzzle Platformer · Puzzle · Platformer

Anomaly Agent
Shared: Side Scroller · 2D Platformer · Platformer

Broforce
Shared: Platformer · Action · 2D

Out There Somewhere
Shared: Platformer · Puzzle · 2D

Creepy Tale
Shared: Puzzle Platformer · 2D Platformer · Puzzle

Celeste
Shared: 2D Platformer · Platformer · Pixel Graphics

The Pedestrian
Shared: Puzzle Platformer · Side Scroller · Puzzle

ANIMAL WELL
Shared: Puzzle · Puzzle Platformer · Platformer

BlazBlue Entropy Effect
Shared: Platformer · 2D · Action-Adventure

Thomas Was Alone
Shared: Side Scroller · 2D Platformer · Platformer

Trine Enchanted Edition
Shared: Puzzle Platformer · 2D Platformer · Action-Adventure

Rogue Legacy 2
Shared: Arcade · Platformer · Action

Shovel Knight: Treasure Trove
Shared: Platformer · Side Scroller · 2D

Mind Over Magnet
Shared: Puzzle Platformer · Puzzle · 2D Platformer