Quantum Odyssey
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About Quantum Odyssey
Quantum Odyssey is a non-linear, story-driven puzzle game set in an open-ended universe governed by the laws of quantum physics. You solve visual puzzles and learn quantum information science through interactive gameplay, from guided tutorials for beginners to difficult quantum-algorithm puzzles that can take days to solve. The game uses a quantum simulator to turn multi-qubit mathematics into visual representations.
Learn quantum logic
The game teaches its mechanics and concepts from scratch, through gameplay. Its content covers Boolean logic, bits, classical operators and adders, then their quantum equivalents. You work with qubits, complex numbers, linear algebra and custom gates, and explore superposition, interference, entanglement, measurement effects and noise.
You also encounter phase kickback, amplitude amplification and phase-to-signal retrieval, as well as the Deutsch–Jozsa, Bernstein–Vazirani, Grover’s Search and QFT algorithms. The game includes over 70 modules, more than 500 visual puzzles and over 300 pages of interactive encyclopedia content, for more than 100 hours of material.
Puzzles and sandbox
Alongside its guided material, Quantum Odyssey includes challenging puzzles and a full sandbox. You can build classical or quantum systems and import algorithms to visualize them, with freedom to interact with the quantum phenomena in different ways.
Asynchronous PvP
In asynchronous PvP battles, you can hack other players’ creations, make content and compete on zachlike leaderboards.
Frequently asked questions
The best price for Quantum Odyssey is $2.06 at Kinguin. That is 88% less than on Steam, where it costs $17.99. 4 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and Quantum Odyssey stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for Quantum Odyssey are: Windows 10, GeForce 8800 GT, Intel Core i7-2600, 4 GB RAM, 2 GB storage. It also runs on macOS. The recommended specs are in the System requirements section.
No. Quantum Odyssey is a single-player game.
Yes. Valve rates Quantum Odyssey as Verified on the Steam Deck: it runs well out of the box.
Buy Quantum Odyssey 88% cheaper than on Steam.
Quantum Odyssey is available for 88% less in shops such as Kinguin, Eneba, or Premium CD Keys.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











