Games like Theme Park Mystery
Games like Theme Park Mystery include SANABI, Celeste, ANIMAL WELL, Sonic Origins, and Planet of Lana. We matched them by the tags players give Theme Park Mystery on Steam (Adventure, Platformer, 2D Platformer, Puzzle Platformer, and 2D): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Adventure · Pixel Graphics · 2D Platformer

Celeste
Shared: Platformer · Pixel Graphics · 2D Platformer

ANIMAL WELL
Shared: Platformer · Puzzle Platformer · Pixel Graphics

Sonic Origins
Shared: Adventure · 2D Platformer · Platformer

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

LIMBO
Shared: Puzzle Platformer · Platformer · Adventure

Owlboy
Shared: Adventure · Platformer · Pixel Graphics

Dead Cells
Shared: Adventure · 2D · Pixel Graphics

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

Shovel Knight: Treasure Trove
Shared: Platformer · Pixel Graphics · Adventure

Out There Somewhere
Shared: Platformer · Adventure · Pixel Graphics

Narita Boy
Shared: Adventure · Platformer · 2D

Sonic Mania
Shared: Platformer · 2D · Adventure

Katana ZERO
Shared: Platformer · Pixel Graphics · 2D Platformer

MO:Astray
Shared: Adventure · Platformer · Puzzle Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · Pixel Graphics

Hollow Knight
Shared: Platformer · 2D · Adventure

Rain World
Shared: Platformer · Atmospheric · Pixel Graphics

The Messenger
Shared: Platformer · Pixel Graphics · 2D

FEZ
Shared: Platformer · Adventure · Pixel Graphics

Super Meat Boy
Shared: Platformer · 2D Platformer · Pixel Graphics

Ori and the Will of the Wisps
Shared: Platformer · Adventure · Action

ElecHead
Shared: Platformer · Puzzle Platformer · Adventure

VVVVVV
Shared: Platformer · Pixel Graphics · 2D Platformer