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Games like SpaceChem | IndieDex

SpaceChem
Games like SpaceChem

Find the Steam hidden gems

single-players with secrets you find without a guideor

Games like SpaceChem

A demanding chemistry-based puzzle game about building automated factory lines, with a programming-like logic curve and a stark space-lab setting.

MOLEK-SYNTEZ
A single-player programming puzzle about automating molecule synthesis in a Romanian apartment, with a calm, cerebral mood and a compact campaign.
2019-11-19
- Science fiction
- Puzzle
- Bird view / Isometric

Indie

Simulator

Sandbox

Prime Mover cover art

Prime Mover

A difficult open-ended circuit-board logic game with a satisfying learning curve and roughly 22–24 hours of reviewer-measured playtime.

2018-05-21

Science fiction
Puzzle
Bird view / Isometric
Indie
Simulator
Sandbox

Cosmic Express cover art

Cosmic Express

A chill single-player puzzle game about drawing train routes for cute aliens across a space colony, with escalating difficulty and roughly 14–15 hours of playtime among reviewers.

2017-03-16

Science fiction
Puzzle
Strategy
Bird view / Isometric
Indie

Kaizen: A Factory Story cover art

Kaizen: A Factory Story

An open-ended puzzle automation game set in 1980s Japan, where you design and refine production lines for real-world electronics—accessible, meditative, and deeply satisfying to optimize.

2025-07-14

Puzzle
Strategy
Bird view / Isometric
Simulator
Business

Star Stuff cover art

Star Stuff

A compact, cute programming puzzler about coding bots to repair a star factory, with clever levels and a playful tone.

2024-06-07

Science fiction
Platform
Puzzle
Adventure
Strategy
Bird view / Isometric
Indie
Educational

SHENZHEN I/O cover art

SHENZHEN I/O

A technical simulation game about designing circuits and writing code, with an incomplete manual, steep difficulty, and a median playtime of about 31 hours.

2016-11-17

Science fiction
Puzzle
Bird view / Isometric
Indie
Simulator

Comet 64 cover art

Comet 64

A single-player, compact programming puzzle game set in 1984, where you write code on a fictional home computer using its manual, with a median reviewer playtime of about 9 hours.

2021-02-05

Puzzle
Indie
Simulator
Text
Educational

Opus Magnum cover art

Opus Magnum

A challenging 2D steampunk puzzle game about designing alchemical machines on a hex grid, with a story-integrated campaign lasting roughly 19 to 32 hours.

2017-12-07

Science fiction
Puzzle
Fantasy
Bird view / Isometric
Indie
Simulator
Sandbox

EXAPUNKS cover art

EXAPUNKS

A single-player 1997-set programming puzzle game about a hacker trading hacks for phage medicine, with a challenging 15-16 hour campaign.

2018-10-22

Science fiction
Puzzle
Bird view / Isometric
Indie
Simulator

Manufactoria 2022 cover art

Manufactoria 2022

A playful, challenging constructive puzzle game about pushing robots and engineering solutions, with a lengthy ~30-hour campaign of open-ended automation problems.

2022-08-16

Puzzle
Simulator

shapez 2 - Factory cover art

shapez 2 - Factory

A self-paced factory-building sim about designing sprawling multi-level space factories and automated production lines, with an addictive loop and no combat.

2026-04-23

Puzzle
Strategy
Bird view / Isometric
Indie
Simulator
Open world
Sandbox

LogicBots cover art

LogicBots

A single-player robot-building puzzle sim about wiring bots to solve logic challenges; reviewers enjoy the tinkering but find the UI clunky.

2017-02-08

Puzzle
Strategy
Third person
Indie
Simulator
Sandbox