Single-player games like Comet 64
Below are 12 single-player Steam games similar to Comet 64, 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 Comet 64 page.
Ranked picks
- 1
SHENZHEN I/O
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Indie and Simulation with Comet 64.
BUILD CIRCUITS. WRITE CODE. RTFM.
- 2
TIS-100
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Indie and Simulation with Comet 64.
TIS-100 is an open-ended programming game by Zachtronics, the creators of SpaceChem and Infinifactory, in which you rewrite corrupted code segments to repair the TIS-100 and unlock its secrets. It’s the assembly language programming game you never asked for!
- 3
Mnemonimov
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Simulation with Comet 64.
Mnemonimov is a fantasy console where you program in ASSEMBLY like in the 80s. Build anything from games to operating systems and understand how computers work at a low level.
- 4
Quantum Odyssey
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Indie and Simulation with Comet 64.
Master the most counter-intuitive logic in existence. Created by the researchers who defined Quantum Literacy, Quantum Odyssey is an open-ended puzzle game where you craft real quantum algorithms. Optimize 500+ challenges, hack other players, and gain insights textbooks can’t provide.
- 5
Virtual Circuit Board
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Simulation with Comet 64.
Virtual Circuit Board is the sandbox drawing-based logic simulator where you can build, program, decorate, and simulate anything from simple monochrome circuits to complex and colorful computers. Play with digital logic in this sandbox-only experience.
- 6
The Signal State
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Simulation with Comet 64.
Set in a post-apocalyptic future, The Signal State puts your logic skills to the test with complex puzzles inspired by modular synthesizers. Repair machines, rebuild an abandoned farm, and be part of a revolution that will change the fate of agriculture once and for all.
- 7
Turing Complete
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Simulation with Comet 64.
Learn CPU architecture with puzzles
- 8
Alan's Automaton Workshop
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Simulation with Comet 64.
Alan's Automaton Workshop is an open-ended programming puzzle game. Start a new business with Alan Turing and his groundbreaking innovation: the Turing Machine. Build unique automatons, and solve all kinds of problems from clients.
- 9
MHRD
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Indie and Simulation with Comet 64.
MHRD is a hardware design game, in which you design various hardware circuits in a hardware description language. The hardware circuits you design get more complex as you go until you create a fully functional CPU design.
- 10
Marvellous Inc.
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Indie and Simulation with Comet 64.
Marvellous Inc. is a programming puzzle game, where you program robots to solve tasks.
- 11
Human Resource Machine
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Indie and Simulation with Comet 64.
Program little office workers to solve puzzles. Be a good employee! The machines are coming... for your job. From the creators of World of Goo and Little Inferno.
- 12
The Zachtronics Solitaire Collection
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Indie with Comet 64.
The Zachtronics Solitaire Collection is here! Inside you will find all seven Zachtronics solitaire games, updated with new 4K graphics, plus one brand new Tarot-themed solitaire variant only available here.