Games like What The Hack!
Games like What The Hack! include Portal 2, FEZ, Monument Valley, BEEP, and Monument Valley 2. We matched them by the tags players give What The Hack! on Steam (Casual, Strategy, Platformer, Puzzle, and 3D Platformer): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Platformer · Puzzle · 3D Platformer

FEZ
Shared: Platformer · Puzzle · Casual

Monument Valley
Shared: Puzzle · Casual · Strategy

BEEP
Shared: Platformer · Puzzle · Casual

Monument Valley 2
Shared: Casual · Strategy · Puzzle

Moncage
Shared: Casual · Puzzle · Strategy

Mirror's Edge™
Shared: 3D Platformer · Exploration · Platformer

COCOON
Shared: Puzzle · Exploration · 3D

Sonic Frontiers
Shared: 3D Platformer · Exploration · Platformer

Stray
Shared: Exploration · Puzzle · Cyberpunk

Pseudoregalia
Shared: 3D Platformer · Platformer · Exploration

Mini Motorways
Shared: Strategy · Casual · Puzzle

Bomb Rush Cyberfunk
Shared: 3D Platformer · Stylized · Action

Chained Together
Shared: Casual · Platformer · 3D Platformer

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

Spirit of the North
Shared: Casual · Puzzle · Exploration

A Story About My Uncle
Shared: Platformer · 3D Platformer · Puzzle

Shipwrecked 64
Shared: Puzzle · Platformer · Strategy

Europa
Shared: Exploration · 3D Platformer · Platformer

Just Go
Shared: Casual · Strategy · Puzzle

Bloons TD 6
Shared: Strategy · Casual · 3D

Portal
Shared: Puzzle · 3D Platformer · Platformer

Blue Prince
Shared: Puzzle · Exploration · Strategy

Pikuniku
Shared: Casual · Puzzle · Platformer