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Quantum Odyssey

Quantum Odyssey

See the logic all of us obey. Design, optimize, and reverse-engineer real quantum algorithms in an open-ended Zachlike puzzle game. Solve 500+ visual puzzles and hack other players’ creations. No coding or physics background required.

Released Jan 29, 2025 Developer Quarks Interactive Platforms Windows · Mac · Linux Early AccessSimulationProgrammingScienceLogic
View on Steam ↗ $12.59 (US · as of 2026-05-19)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

93.1%positive159 reviews
Recommended · 10 found this helpful

“Early rating to spread it across steam while the sale is still active Loving it, it's a brilliant puzzle game. Unlike the actual study of it, it's Intuitive as said, easily translatable to irl terms ect. It's actually kind of amazing. So with that it's a must, especially if you…”

— a player, Steam review · 18 hrs played
Recommended · 4 found this helpful

“So far I am loving it. I started with curiosity because I was interested in knowing how did this interface even related to quantum computing, but once I got it I ended up hooked. The visuals do a really good job in portraying your algorithm flow and the aids in the UI (tables,…”

— a player, Steam review · 8 hrs played
Not recommended · 20 found this helpful

“I dislike the game. I got through the beginner puzzles and some of the easy ones. The problems themselves are similar to ones I did for homework for my computing degree. You have a function, the function takes some input, you define to functions behavior by filling out its body.…”

— a player, Steam review · 1 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. History through 2026-08 via SteamCharts; self-collected from the Steam API since Aug 2026.

20all-time peak
0 5 10 2026 6 avg · May 2026

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

17achievements
0.1%median completion
0.0%rarest: Quantum Savant
14.2% of players 3.8% of players 0.8% of players 0.7% of players 0.3% of players 0.3% of players 0.1% of players 0.1% of players 0.1% of players 0.1% of players 0.1% of players 0.1% of players 0.1% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 14.2% 0% most earned rarest
Almost everyone has
14.2%Brilliant — Collect 10 Optimizer Keys
3.8%Mastermind — Collect 25 Optimizer Keys
0.8%Enlightened — Complete the conventional ending
Rarest badges of honor
0.0%Quantum Savant — Score the highest in 10 Community Challenges
0.0%Quantum Literate — Hidden achievement
0.0%Knight — Complete 50 Community Challenges

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Aug 24, 2026
The Final Major Patch Before Full Release: my thoughts, server reset

Dear Seekers, We are now about to wrap up preparations for the upcoming Large Patch. It will bring a lot of changes, mostly related to how metrics are calculated and displayed. The game will finally m

Jun 29, 2026
Time for a Tournament! We passed 10k players

Dear Seekers, I want this to be much more than an educational game... a platform to start what I like to call "quantum eSports": weekly tournaments, big competitions, events with sponsors and prizes.

May 14, 2026
EA1.2.57 New text lines were created for every | symbol fix

We had a terrible bug in which all texts were spilling out thanks to a new steamdeck regex we introduced in the large patch to autodetect and change certain texts depending on if the player is using a

May 06, 2026
macOS + Offline Are Here The Update You’ve Been Waiting For

Dear Seekers, The game is ready to teach anyone quantum with 0 background in algebra or anything. Game is almost done and we are preparing for Full Launch. 🚀 Full Release Status No longer feels like a

Apr 23, 2026
EA1.2.55 Game now finally has cats

Small fixes and changes to narration, puzzles and story. On the 4th (if things go well!) we go live with a Large patch -> this will make game fully playable offline, accounts can be reset, and entire

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

GenresIndie, Simulation, Early Access
Player tagsEarly Access · Simulation · Programming · Science · Logic · Difficult · Education · Puzzle · Automation · Coding · Hacking · Sandbox (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Includes level editor · Family Sharing
LanguagesEnglish * *
Achievements17
Official sitehttps://quarksinteractive.com/
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: 64-bit Windows 10 / 11 Processor: Intel® Core™ i7-2600 Memory: 4 GB RAM Graphics: NVIDIA GeForce 8800 GT DirectX: Version 10 Storage: 2 GB available space Sound Card: Any integrated or dedicated