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Games like Quantum Odyssey | IndieDex

Quantum Odyssey
Games like Quantum Odyssey

Find the Steam hidden gems

single-players with secrets you find without a guideor

Games like Quantum Odyssey

A single-player open-ended puzzle game that challenges you to design, optimize, and reverse-engineer quantum algorithms without coding, with a roughly 5-hour reviewer playtime.

U.V.S. Nirmana
A compact, single-player engineering puzzle game set on a void ship, blending Zach-like logic puzzles with a calm, contemplative tone.
2026-05-04
- Science fiction
- Puzzle

Indie

Simulator

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

The Signal State cover art

The Signal State

A post-apocalyptic logic puzzler where you repair machines and rebuild a farm using modular-synthesizer-inspired puzzles in a short ~7-hour experience.

2021-09-23

Puzzle
Simulator

ABI-DOS cover art

ABI-DOS

A free single-player puzzle game about building circuits and automating data blocks via a fictional coding language, with a cryptic Admin storyline and a short, guide-dependent playtime.

2024-11-15

Strategy
Indie
Side view
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

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

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

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

JOY OF PROGRAMMING - Software Engineering Simulator cover art

JOY OF PROGRAMMING - Software Engineering Simulator

A single-player programming puzzle sim where you write real Python code to automate robots, vehicles, and logistics in bite-sized challenges.

2025-01-18

Puzzle
Strategy
Bird view / Isometric
Indie
Simulator
Sandbox
Educational

Veggie Quest: The Puzzle Game cover art

Veggie Quest: The Puzzle Game

A vegetable-themed logic-puzzle sim about designing dungeons to stump a perfect AI, with a challenging puzzle-building loop and roughly six hours of reviewer playtime.

2024-01-23

Puzzle
Indie
Simulator