Games like PlayZ
Games like PlayZ include Portal, Portal 2, Human Fall Flat, Clustertruck, and Defy Gravity Extended. We matched them by the tags players give PlayZ on Steam (Retro, Parkour, Puzzle, Physics, and Linear): closest matches first, and among equally close ones the better-known games.

Portal
Shared: Puzzle · Physics · Puzzle Platformer

Portal 2
Shared: Puzzle · Platformer · Puzzle Platformer

Human Fall Flat
Shared: Puzzle · Physics · Action

Clustertruck
Shared: Parkour · Action · Physics

Defy Gravity Extended
Shared: Puzzle · Platformer · Action

A Story About My Uncle
Shared: Parkour · Puzzle · Platformer

Mirror's Edge™
Shared: Parkour · Puzzle · 3D Platformer

Refunct
Shared: Parkour · 3D Platformer · Casual

ElecHead
Shared: Puzzle · Retro · Linear

Cyber Hook
Shared: Parkour · Action · Retro

EDGE
Shared: Puzzle · Action · Puzzle Platformer

ALTF4
Shared: Physics · Action · 3D Platformer

Gorilla Tag
Shared: Parkour · Action · Physics

LIMBO
Shared: Puzzle · Platformer · Puzzle Platformer

Haste
Shared: Parkour · Action · 3D Platformer

Viewfinder
Shared: Puzzle · Physics · Puzzle Platformer

VHOLUME
Shared: Parkour · Casual · 3D Platformer

Zup!
Shared: Puzzle · Physics · Casual

BONEWORKS
Shared: Physics · Action · Puzzle

BEEP
Shared: Physics · Puzzle · Platformer

Neon White
Shared: Parkour · Action · 3D Platformer

Zuma Deluxe
Shared: Puzzle · Arcade · Retro

Out There Somewhere
Shared: Puzzle · Retro · Platformer

Climber Animals: Together
Shared: Physics · Casual · Platformer

