Single-player games like Problem Space
Below are 8 single-player Steam games similar to Problem Space, 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 Problem Space page.
Ranked picks
- 1
SYSCALL: RING ZERO
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Indie and Simulation with Problem Space.
Reverse-engineer a private 1990s BBS. Read disassembly, patch broken checks, optimize a nine-core rack, and write assembly firmware that locks onto live scope traces. With 200+ puzzles, full controller support and offline play, you can refine your assembly skills on all your devices!
- 2
SpaceChem
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Indie and Simulation with Problem Space.
Zachtronics is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!
- 3
God is a Cube: Programming Robot Cubes
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Indie and Simulation with Problem Space.
An easy to start programming puzzle game where you design Artificial Intelligence with symbols, to control robot cubes and build space pyramids. Inspired by SpaceChem, Lightbot, Human Resource Machine and the Redstone from Minecraft. A game 99% made by one guy.
- 4
while True: learn()
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Indie and Simulation with Problem Space.
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!
- 5
Aptamirror
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Indie and Simulation with Problem Space.
Aptamirror is a meditative physics-based puzzle game inspired by molecular biology. Manipulate RNA strands by grabbing, mutating, cleaving, and ligating to match increasingly complex target structures. Challenge yourself with 50 handcrafted puzzles designed by a PhD Biochemist. Think. Fold. Repeat.
- 6
Colorgrid
Single-player alternative to Problem Space — playable solo, no multiplayer required.
Colorgrid is a puzzle game about mixing colors in a Lab. Find the correct positions for your lasers and mirrors to get the right mix of colors in each material.
- 7
JOY OF PROGRAMMING - Software Engineering Simulator
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Indie and Simulation with Problem Space.
Use real Python code to automate machines, robots, drones and more: Program self-driving vehicles; crack passwords; apply machine learning; automate logistics; use image processing to guide missiles. Gain real coding skills and solve exciting bite-sized programming challenges.
- 8
I Fetch Rocks
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Simulation with Problem Space.
Embark on your asteroid hauling career with Veritago Fortana. Start with a basic ship and earn credits to upgrade, customise and repair as you try to fulfil larger and harder contracts. Built exclusively for VR, use your own hands to build, wire and fly using 100s of interconnecting components.