Games like MysteryOS
Games like MysteryOS include 60 Seconds! Reatomized, Death and Taxes, Papers, Please, 60 Seconds!, and Word Game. We matched them by the tags players give MysteryOS on Steam (Choose Your Own Adventure, Exploration, Simulation, Interactive Fiction, and Puzzle): closest matches first, and among equally close ones the better-known games.

60 Seconds! Reatomized
Shared: Choose Your Own Adventure · Exploration · 2D

Death and Taxes
Shared: Simulation · Choose Your Own Adventure · Point & Click

Papers, Please
Shared: Simulation · Point & Click · Puzzle

60 Seconds!
Shared: Choose Your Own Adventure · Exploration · Point & Click

Word Game
Shared: Exploration · Choose Your Own Adventure · Puzzle

Outer Wilds
Shared: Exploration · Adventure · Puzzle

There Is No Game: Wrong Dimension
Shared: Puzzle · Point & Click · Adventure

Chants of Sennaar
Shared: Puzzle · Adventure · Point & Click

Her Story
Shared: Choose Your Own Adventure · Interactive Fiction · Exploration

Strange Horticulture
Shared: Puzzle · Simulation · Point & Click

No Case Should Remain Unsolved
Shared: Interactive Fiction · Puzzle · Point & Click

鬼谷八荒 Tale of Immortal
Shared: Simulation · Choose Your Own Adventure · Exploration

Breakout 13
Shared: Choose Your Own Adventure · Exploration · Interactive Fiction

Gorogoa
Shared: Puzzle · Point & Click · Indie

Blue Prince
Shared: Exploration · Puzzle · Adventure

Pentiment
Shared: Interactive Fiction · Adventure · Exploration

Storyteller
Shared: Puzzle · Interactive Fiction · Point & Click

Killer Frequency
Shared: Interactive Fiction · Puzzle · Simulation

Amanda the Adventurer 2
Shared: Interactive Fiction · Puzzle · Choose Your Own Adventure

The Life and Suffering of Sir Brante
Shared: Choose Your Own Adventure · Interactive Fiction · Story Rich

Sally Face - Episode One
Shared: Puzzle · Story Rich · Adventure

Samsara Room
Shared: Puzzle · Adventure · Point & Click

Desktop Explorer
Shared: Puzzle · Point & Click · Simulation

The Room 4: Old Sins
Shared: Puzzle · Point & Click · Adventure