Single-player games like Retro Gadgets
Below are 10 single-player Steam games similar to Retro Gadgets, 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 Retro Gadgets page.
Ranked picks
- 1
Algorithms
Single-player alternative to Retro Gadgets — playable solo, no multiplayer required. Shares Simulation with Retro Gadgets.
Practice computer science algorithms offline, for job interviews or personal skill building: read a problem, write C, run the full test deck, and get a deterministic verdict with instruction counts and the output assembly language code on a fantasy RISC machine.
- 2
Mnemonimov
Single-player alternative to Retro Gadgets — playable solo, no multiplayer required. Shares Simulation and Early Access with Retro Gadgets.
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.
- 3
SHENZHEN I/O
Single-player alternative to Retro Gadgets — playable solo, no multiplayer required. Shares Simulation with Retro Gadgets.
BUILD CIRCUITS. WRITE CODE. RTFM.
- 4
Kaizen: A Factory Story
Single-player alternative to Retro Gadgets — playable solo, no multiplayer required. Shares Simulation with Retro Gadgets.
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.
- 5
Comet 64
Single-player alternative to Retro Gadgets — playable solo, no multiplayer required. Shares Simulation with Retro Gadgets.
Comet 64 is a programming puzzle game. The year is 1984. All you got is a Comet 64 home computer and the operator's manual it came with.
- 6
Charge!
Single-player alternative to Retro Gadgets — playable solo, no multiplayer required.
Charge is a level-based puzzle game where you control the flow of charge around a circuit board. Arrange pre-built components into wondrous machines that take advantage of available resources and design your own modules from scratch.
- 7
TurtleCAD 3D
Single-player alternative to Retro Gadgets — playable solo, no multiplayer required. Shares Simulation with Retro Gadgets.
TurtleCAD 3D is an open-ended programming puzzle game/toy about writing code to pilot a sea turtle to create 3D polygonal graphics. Solve puzzles, pursue leaderboard glory, or just make art to share with the in-game community.
- 8
EmuDevz
Single-player alternative to Retro Gadgets — playable solo, no multiplayer required. Shares Simulation with Retro Gadgets.
A game about building emulators! Implement your own NEEES core in JavaScript, get instant feedback with unit/video tests, build the graphics unit in real time, learn 6502 assembly, debug test ROMs, and have fun with the included homebrew games!
- 9
Plasma
Single-player alternative to Retro Gadgets — playable solo, no multiplayer required. Shares Simulation with Retro Gadgets.
Plasma is a pure engineering sandbox. Use advanced visual programming and robotics tools to create anything you can imagine.
- 10
The Farmer Was Replaced
Single-player alternative to Retro Gadgets — playable solo, no multiplayer required. Shares Simulation with Retro Gadgets.
Program and optimize a drone to automate a farm and watch it do the work for you. Collect resources to unlock better technology and become the most efficient farmer in the world. Improve your problem solving and coding skills.