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Opus Magnum

Developed by
  1. Zachtronics
Published by
  1. Zachtronics
T2
Peak #144
Current #784
Top 250 47%
Gem Peak #11

Ranking history

T1
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No data

Review history

T1
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Price history (USD)

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News

Opus Magnum is the latest open-ended puzzle game from Zachtronics, the creators of SpaceChem, Infinifactory, and SHENZHEN I/O. Design and build machines that assemble potions, poisons, and more using the alchemical engineer’s most advanced tool: the transmutation engine!

97%
3%
0%
AAA
T1

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Tags Tags are sorted in descending order of votes. Votes are the number of times a tag has been applied to this game by a Steam user, shown next to each tag name.

  1. Puzzle 195
  2. Programming 150
  3. Automation 140
  4. Indie 129
  5. Simulation 106
  6. Logic 91
  7. Singleplayer 57
  8. Steampunk 35
  9. Great Soundtrack 34

Below threshold Tags below the threshold do not have enough votes to be considered valid for this game yet.

  1. Difficult 32
  2. Building 31
  3. 2D 31
  4. Sandbox 28
  5. Hex Grid 16
  6. Casual 8
  7. Atmospheric 5

Dates

Released
2017-12-07 (8 years ago)
First review

Date of first review. Games cannot be reviewed before they are released, so when this is earlier than the release date, it usually indicates a game that was in early access.

T1
Age on Steam

Days since first review, which is typically how long the game has been available for purchase.

T1

Reviews

Total reviews verified
6,967 5,708 (82%)
Review breakdown
6,780 97.3%
187 2.7%
Review velocity
2 reviews per day
Reviews today
1
Days in top 1000
3,161 (99%)
Estimated owners Based on research by GameDiscoverCo median
T2 T2

Pricing

Release price
$17.99 ($19.99 -10%)
Lowest price

Date of the earliest occurrence of the lowest price this game has sold for.

$6.80 (2021-02-04)
Average price
$18.53
Average discount
$11.07
Number of discounts
60
Days discounted
522 (16.5%)
Estimated gross sales Based on research by GameDiscoverCo median
T3 T3
Estimated net sales Based on research by GameDiscoverCo median
T3 T3

Size

Size on disk
659 M (690,597,524 B)
Download size
385 M (403,915,376 B)

Languages

  • English
  • French
  • German
  • Japanese
  • Russian
  • Simplified Chinese
  • Spanish - Latin America
  • Korean
  • Turkish
  • Ukrainian
  • Portuguese - Portugal
  • Czech
  • Polish

Details last updated: June 17, 2026 01:08 UTC

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