Single-player games like Mystery Boxes
Below are 8 single-player Steam games similar to Mystery Boxes, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Mystery Boxes page.
Ranked picks
- 1
ABI-DOS
Single-player alternative to Mystery Boxes — playable solo, no multiplayer required. Shares Strategy and Indie with Mystery Boxes.
Build the most advanced operating system ever created! Can you master the fictional simulation language of this mind-bending machine? Design circuits, automate UBITS (coloured mobile data blocks), and optimize your system. The Admin is always watching, and he’s not what he seems.
- 2
Bulbo's Belief System
Single-player alternative to Mystery Boxes — playable solo, no multiplayer required. Shares Indie and Casual with Mystery Boxes.
Bulbo's Belief System is a puzzle-platformer where knowledge is both a tool and an obstacle. Bulbo believes everything he's told, letting him see, move, and interact, but he can forget! Erase walls from existence, ignore gravity and manage conflicting beliefs to solve cute mind-bending challenges.
- 3
WET VR
Single-player alternative to Mystery Boxes — playable solo, no multiplayer required. Shares Strategy and Indie with Mystery Boxes.
Play Wet VR, a calm puzzle game. Move land to guide water through 32 fun puzzles. Think smart and solve each task in a world of peace and ease. Simple to play, hard to master, and made to soothe your mind.
- 4
WET
Single-player alternative to Mystery Boxes — playable solo, no multiplayer required. Shares Strategy and Indie with Mystery Boxes.
Play Wet, a calm puzzle game. Move land to guide water through 32 fun puzzles. Think smart and solve each task in a world of peace and ease. Simple to play, hard to master, and made to soothe your mind.
- 5
HackMeNow
Single-player alternative to Mystery Boxes — playable solo, no multiplayer required. Shares Strategy and Indie with Mystery Boxes.
A terminal-style hacking puzzle game where every command matters. Investigate logs, decode secrets, avoid traps, and uncover the rogue system watching from behind the screen.
- 6
Sudocats
Single-player alternative to Mystery Boxes — playable solo, no multiplayer required. Shares Casual with Mystery Boxes.
Sudoku for cat people. Cats are wonderful creatures but you better not put them together without proper introduction. So, plan ahead to display them in the right order so they get along!
- 7
JOY OF PROGRAMMING Prologue - Hello World
Single-player alternative to Mystery Boxes — playable solo, no multiplayer required. Shares Strategy and Indie with Mystery Boxes.
Use real Python code to automate machines, robots, drones and more and solve existing bite-sized programming challenges. Play this free prologue for the upcoming full game JOY OF PROGRAMMING - Software Engineering Simulator.
- 8
TOK 2
Single-player alternative to Mystery Boxes — playable solo, no multiplayer required. Shares Indie and Casual with Mystery Boxes.
Tok is a game where you will have to solve a puzzle by connecting all dots with lines. Note: the number of turns is limited!