Single-player games like Comet 64
Below are 11 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
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.
- 2
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.
- 3
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!
- 4
Turing Complete
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Simulation with Comet 64.
Learn CPU architecture with puzzles
- 5
Rogue Bit
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Indie and Simulation with Comet 64.
A single bit of computer memory became sentient and decided to escape from digital into the real world. Explore RAM, modify bytes and hack machine code and CPU registers to set it free.
- 6
Kaizen: A Factory Story
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Simulation with Comet 64.
Kaizen is an open-ended puzzle automation game from the original Zachtronics team, set in 1980s Japan. Design, build, and optimize production lines to create iconic products, like calculators, camcorders, and arcade machines.
- 7
Retro Gadgets
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Simulation with Comet 64.
Retro Gadgets is a sandbox where you build, code, and customize gadgets inspired by old-school electronics.
- 8
while True: learn()
Single-player alternative to Comet 64 — playable solo, no multiplayer required. Shares Indie and Simulation with Comet 64.
You’re a machine learning specialist who makes neural networks but your cat seems to be better at it. Now you must solve puzzles to build a cat-to-human translation system (who knows what else this cat is capable of!). Earn a fortune, buy kickass cat outfits, learn how machine learning really works!
- 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.