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Quantum Odyssey

Also known as Quantum Odyssey, qo, quantum odyssey

Design, optimize, and reverse-engineer real quantum algorithms in an open-ended Zachlike puzzle game. Solve 500+ optimization challenges, hack player creations, and master quantum logic without coding.

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Last update

21 May 2026

Players now

3

Latest update

AnnouncementPublished 14 May 2026

v1.2.57EA1.2.57 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 deck or not -now f…

2 changesFixGameplayRead announcement

Update history

Browse past updates and patch notes for this game.

20 updates

Gallery

In-game media

Achievements

Community progression

Top picks from 17 Steam achievements, sorted by player unlock rates.

BrilliantCollect 10 Optimizer Keys14.1%
MastermindCollect 25 Optimizer Keys3.8%
EnlightenedComplete the conventional ending0.8%
Summa Cum Laude !Acquire the 'Mastermind' honorary badge and the 'Enlightened' honorary badge0.7%
A Strange OdysseyHidden0.4%
Quantum HeroScore the highest on a Community Challenge0.3%