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Quantum Conundrum

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!

In short, Steam reviewers most often praise “clever dimension-based puzzles” (37 of 89 reviews) and “excellent narrator voice acting” (12); the most common complaint is “precision platforming over puzzles” (14). What reviewers agree on ↓

Released Jun 21, 2012 Developer Airtight Games Publisher Square Enix Platforms Windows Puzzle-PlatformerPuzzle3D PlatformerFirst-PersonPhysics
View on Steam ↗ $8.99 (US · as of 2026-10-23)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-10-22 · quoted reviews as of 2026-05-12.

84.9%positive2,158 reviews

What reviewers agree on

Praised
Criticised
Bar length = how many of the 89 reviews raise the point On criticised points, the pale part = reviewers who still recommend the game Select a point to see the exact counts and what reviewers wrote.

Counted across 89 English reviews, sampled to match this game's 84.9% positive rating · as of 2026-05-12

Recommended · 1 found this helpful

“very good. have beaten multiple times. 100% game without time death trials”

— a player, Steam review · 89 hrs played
Recommended · 1 found this helpful

“There's more precision platforming than is typical in most puzzle games, even platform-puzzlers, so be aware. It starts off as a puzzle game with some platforming and turns into a platforming/timing game with minor puzzling. Some parts in particular require precise timing and 1…”

— a player, Steam review · 7 hrs played
Recommended · 1 found this helpful

“I remember buying this game because of a cool feature in GameInformer ... over 10 years ago. It's not great, some neat mechanics used for a mixed bag of puzzles. Also, a time capsule for the early 2010s Reddit humour read by Jon DeLancie. Recommended if you want a quick puzzle…”

— a player, Steam review · 12 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players, self-collected from the Steam API since Aug 2026.

6peak since Aug 2026
0 1 2 1 avg · Sep 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 2026-10-23.

25achievements
2.7%median completion
0.9%rarest: Short Circuits
91.8% of players 82.6% of players 53.5% of players 52.9% of players 28.5% of players 24.7% of players 24.2% of players 23.5% of players 13.5% of players 10.8% of players 3.6% of players 2.7% of players 2.7% of players 1.7% of players 1.6% of players 1.6% of players 1.3% of players 1.1% of players 1.1% of players 1.0% of players 1.0% of players 0.9% of players 0.9% of players 0.9% of players 0.9% of players 91.8% 0% most earned rarest
Almost everyone has
91.8%Nuclear Nooby — Picked up the IDS device.
82.6%Well, look what you found there — Picked up your first Collectible.
53.5%Dimensional Drifter — Powered up the first generator.
Rarest badges of honor
0.9%Short Circuits — Achieve Goal Time on all levels in "IKE-aramba!".
0.9%Alternating Currents — Achieve Shift Goal on all levels in "IKE-aramba!".
0.9%Ludicrous Speed — Achieve Goal Time on all levels in "The Desmond Debacle".

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$8.99current · sampled 2026-10-23 11:42 UTC
$0.98lowest since tracking began2026-08-04
US8.99 USD
EU8.99 EUR
UK6.99 GBP
Australia12.95 AUD
Canada9.99 CAD
Japan914 JPY
Brazil28.90 BRL
China34.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$5.1 Brazil Japan Canada US Australia UK EU≈$10

Cheapest → most expensive, converted to USD at ECB reference rates (2026-10-23). Relative comparison only.

$0 $5 $10 07-11 07-30 08-20 09-10 09-30 10-23

Games like Quantum Conundrum

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

Portal Portal 98.7% · 96,762 reviews shares Science, Puzzle Platformer, 3D Platformer, Physics Suicide Guy Suicide Guy 87.8% · 787 reviews shares Science, Puzzle Platformer, 3D Platformer, Physics Portal 2 Portal 2 98.8% · 207,341 reviews shares Science, Puzzle Platformer, 3D Platformer, Physics The Entropy Centre The Entropy Centre 88.0% · 2,641 reviews shares Time Manipulation, Puzzle Platformer, Physics, Difficult Q.U.B.E: Director's Cut Q.U.B.E: Director's Cut 78.1% · 1,231 reviews shares Science, Puzzle Platformer, Physics, Difficult Gravitas Gravitas 98.4% · 3,885 reviews shares Puzzle Platformer, 3D Platformer, Physics, Comedy Supraland Supraland 94.4% · 6,565 reviews shares Puzzle Platformer, 3D Platformer, Physics, Cartoony Life Goes On: Done to Death Life Goes On: Done to Death 94.8% · 840 reviews shares Puzzle Platformer, Physics, Comedy, Controller

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-12.

GenresCasual, Strategy
Player tagsPuzzle-Platformer · Puzzle · 3D Platformer · First-Person · Physics · Comedy · Casual · Platformer · Strategy · Singleplayer · Time Manipulation · Science (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Full controller support · Steam Cloud · Steam Leaderboards · Remote Play on TV · Family Sharing
LanguagesEnglish * , French, German, Italian, Spanish - Spain, Japanese *
ControllerFull support
Achievements25
Official sitehttp://www.quantumconundrum.com/
Minimum system requirements (PC)

Minimum: OS *: Windows 7 SP1 Processor: Intel Core 2 Duo 2.2 Ghz / AMD Athlon x2 64 3800+ Memory: 2 GB RAM Graphics: GeForce 8800 GT 512 MB / ATI Radeon HD 2900 512 MB Hard Drive: 1.75 GB HD space Sound: DirectX9 compatible sound card