Steam App 200010

Quantum Conundrum

Find and rescue your uncle by using his newest invention to work your way through a crazy complex mansion as you switch between dimensions and solve puzzles!

CasualStrategySingle-playerSteam AchievementsFull controller supportSteam Cloud
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KINGUINQuantum Conundrum PC Steam CD KeyGamingWorldUpdated: 2026-07-29 16:01
≈ $ 1.37Region free5 available
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KINGUINQuantum Conundrum PC Steam CD KeyGreat PriceUpdated: 2026-07-29 16:01
≈ $ 1.38Region free2 available
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KINGUINQuantum Conundrum PC Steam CD KeyROTTCONNUpdated: 2026-07-29 16:01
≈ $ 1.56Region free1 available
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KINGUINQuantum Conundrum PC Steam CD KeyTrustedKysUpdated: 2026-07-29 16:01
≈ $ 1.57Region free13 available
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KINGUINQuantum Conundrum PC Steam CD KeyCdKeyMarktUpdated: 2026-07-29 16:01
≈ $ 1.61Region free36 available
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KINGUINQuantum Conundrum PC Steam CD KeyMGG StudioUpdated: 2026-07-29 16:01
≈ $ 1.73Region free1 available
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KINGUINQuantum Conundrum PC Steam CD KeyGAME ZONE PORTAL CO. L.L.CUpdated: 2026-07-29 16:01
≈ $ 1.75Region free36 available
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KINGUINQuantum Conundrum PC Steam CD KeyMonKeysUpdated: 2026-07-29 16:01
≈ $ 1.80Region free10 available
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About

When you, as a young boy, are dropped off to visit your uncle, you notice something’s wrong. First, he’s not there to greet you. Second, there’s the explosion that happened right as you arrived. And third, the house seems to be even weirder than you remembered it. Now, your job is to find—and ultimately rescue—your uncle, by using his newest invention, the Interdimensional Shift Device (or IDS), to switch between dimensions and solve puzzles. That sofa too heavy to move? There’s a dimension for that! Switch to Fluffy Dimension and that sofa is now light as a feather. Need to get up to a high ledge? There’s a dimension for that! Just switch to Anti-Gravity Dimension and things begin to float upward. Need to make things heavier? There’s a dimension for th—well, you get the idea. Switch dimensions in real time, work your way through the crazy complex mansion wings and rescue your uncle!

Regional data

Prices

CountryCurrencyInitialFinalDiscountUpdated
United StatesUSD$8.990%2026-07-27 01:08
United KingdomGBP£6.990%2026-07-27 01:08
TurkeyUSD$6.99 USD0%2026-07-27 01:08
ArgentinaUSD$6.99 USD0%2026-07-27 01:08
GermanyEUR8,99€0%2026-07-27 01:08
FranceEUR8,99€0%2026-07-27 01:08
Czech RepublicEUR8,99€0%2026-07-27 01:08
SlovakiaEUR8,99€0%2026-07-27 01:08
CanadaCADCDN$ 9.990%2026-07-27 01:08
AustraliaAUDA$ 12.950%2026-07-27 01:08
BrazilBRLR$ 28,900%2026-07-27 01:08
PolandPLN32,99 zł0%2026-07-27 01:08
ChinaCNY¥ 34.000%2026-07-27 01:08
MexicoMXNMex$ 145.000%2026-07-27 01:08
UkraineUAH250₴0%2026-07-27 01:08
IndiaINR₹ 5990%2026-07-27 01:08
JapanJPY¥ 9140%2026-07-27 01:08
South KoreaKRW₩ 9,5000%2026-07-27 01:08

Airtight Games

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Square Enix

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Quick answers

Frequently asked questions

How much does Quantum Conundrum cost?

Quantum Conundrum is currently listed as: $8.99. Prices may vary by region and store.

Which platforms does Quantum Conundrum support?

Quantum Conundrum supports: windows.

Who developed and published Quantum Conundrum?

Quantum Conundrum was developed by Airtight Games and published by Square Enix.

Are external marketplace offers available for Quantum Conundrum?

Yes. There are 8 marketplace offers for Quantum Conundrum; the lowest cached offer starts from ≈ $ 1.37.