Games like Parallel Photon Protocol
Games like Parallel Photon Protocol include Braid, Zup! S, Human Fall Flat, Dorfromantik, and LYNE. We matched them by the tags players give Parallel Photon Protocol on Steam (Casual, Puzzle, Puzzle Platformer, Procedural Generation, and Logic): closest matches first, and among equally close ones the better-known games.

Braid
Shared: Puzzle · Puzzle Platformer · 2D Platformer

Zup! S
Shared: Casual · Puzzle · 2D

Human Fall Flat
Shared: Puzzle · Puzzle Platformer · Multiplayer

Dorfromantik
Shared: Puzzle · Casual · Turn-Based Strategy

LYNE
Shared: Puzzle · Logic · Casual

LIMBO
Shared: Puzzle Platformer · Puzzle · Indie

Zup!
Shared: Casual · Puzzle · Puzzle Platformer

Hexcells
Shared: Casual · Puzzle · Logic

Hexcells Infinite
Shared: Casual · Puzzle · Logic

Baba Is You
Shared: Puzzle · Logic · Indie

Zup! F
Shared: Casual · Puzzle · Puzzle Platformer

Pikuniku
Shared: Casual · Puzzle · Indie

Zup! 2
Shared: Casual · Puzzle · 2D

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Casual

Zup! X
Shared: Casual · Puzzle · Puzzle Platformer

PICO PARK
Shared: Puzzle Platformer · Casual · Puzzle

Zup! 3
Shared: Casual · Puzzle · Puzzle Platformer

Is This Seat Taken?
Shared: Casual · Puzzle · Logic

Liars Bar
Shared: Casual · PvP · Multiplayer

Zup! 8
Shared: Casual · Puzzle · Puzzle Platformer

Zup! 4
Shared: Casual · Puzzle · Puzzle Platformer

Zup! 5
Shared: Casual · Puzzle · Puzzle Platformer

Hook
Shared: Casual · Puzzle · Logic

Strange Jigsaws
Shared: Casual · Puzzle · Logic