Games like IWA Retro Adventure
Games like IWA Retro Adventure include Öoo, Webbed, Defy Gravity Extended, Braid, and Planet of Lana. We matched them by the tags players give IWA Retro Adventure on Steam (Retro, 1990's, 2D Platformer, Puzzle, and Puzzle Platformer): closest matches first, and among equally close ones the better-known games.

Öoo
Shared: 2D Platformer · Puzzle Platformer · Puzzle

Webbed
Shared: 2D Platformer · Puzzle Platformer · 2D

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Platformer

Braid
Shared: 2D Platformer · Puzzle · Puzzle Platformer

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

The Pedestrian
Shared: Puzzle · Puzzle Platformer · 2D Platformer

LIMBO
Shared: Puzzle Platformer · Puzzle · Platformer

Celeste
Shared: 2D Platformer · Platformer · 2D

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

Supaplex
Shared: Retro · Puzzle · 1990's

Progressbar95
Shared: Puzzle · 1990's · 2D

Sonic Origins
Shared: 2D Platformer · Retro · Platformer

Purple Place - Classic Games
Shared: Retro · Puzzle · 2D

FEZ
Shared: Puzzle · Platformer · Puzzle Platformer

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

ElecHead
Shared: Puzzle · Puzzle Platformer · Retro

Moonleap
Shared: Puzzle · Puzzle Platformer · Platformer

Out There Somewhere
Shared: Puzzle · Platformer · Retro

Leap Year
Shared: 2D Platformer · Puzzle Platformer · Puzzle

Munin
Shared: Puzzle Platformer · Puzzle · 2D Platformer

Portal 2
Shared: Puzzle · Platformer · Puzzle Platformer

Zup! S
Shared: Puzzle · 2D · Casual

PICO PARK
Shared: Puzzle Platformer · Puzzle · Platformer

KarmaZoo
Shared: Puzzle · 2D Platformer · Platformer