Games like Protolife: Other Side
Games like Protolife: Other Side include Sizeable, The WereCleaner, Moncage, Outer Wilds, and Peggle Deluxe. We matched them by the tags players give Protolife: Other Side on Steam (Casual, Arcade, Stealth, Puzzle, and Aliens): closest matches first, and among equally close ones the better-known games.

Sizeable
Shared: Casual · Puzzle · Singleplayer

The WereCleaner
Shared: Casual · Stealth · Arcade

Moncage
Shared: Casual · Puzzle · Singleplayer

Outer Wilds
Shared: Puzzle · Exploration · Singleplayer

Peggle Deluxe
Shared: Casual · Arcade · Puzzle

I, Zombie
Shared: Stealth · Puzzle · Casual

Zup! S
Shared: Casual · Puzzle · Minimalist

Waveform
Shared: Casual · Puzzle · Arcade

Mini Motorways
Shared: Casual · Puzzle · Minimalist

Monument Valley
Shared: Puzzle · Casual · Singleplayer

Alien: Isolation
Shared: Aliens · Stealth · Sci-fi

Antichamber
Shared: Puzzle · Singleplayer · Minimalist

Order of the Sinking Star
Shared: Puzzle · 3D · Sci-fi

LYNE
Shared: Puzzle · Casual · Minimalist

Chants of Sennaar
Shared: Puzzle · Singleplayer · Adventure

Hook
Shared: Casual · Puzzle · Minimalist

COCOON
Shared: Puzzle · Exploration · Adventure

SchoolBoy Runaway
Shared: Puzzle · Stealth · Arcade

Zup!
Shared: Casual · Puzzle · Minimalist

Hexcells
Shared: Casual · Puzzle · Minimalist

Mini Metro
Shared: Puzzle · Minimalist · Casual

Strange Jigsaws
Shared: Casual · Puzzle · Minimalist

ROUTINE
Shared: Sci-fi · Singleplayer · Puzzle

Donut County
Shared: Casual · Puzzle · Indie