HomeOpus Magnum
Opus Magnum
Zachtronics · released Dec 7, 2017 · Early Access from Oct 19, 2017 · data updated Oct 24, 2026
by Zachtronics
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 engin
Released Dec 7, 2017 · Early Access from Oct 19, 2017
Steam figures
| Value | As of | |
|---|---|---|
| Steam reviews | Overwhelmingly Positive · 97% positive of 6,067 Steam reviews | Oct 24, 2026 |
| Followers on Steam | 35,178 | Oct 7, 2026 |
| Regular US price | $19.99 | Oct 20, 2026 |
| Twitch peak viewers | 4 | Oct 23, 2026 |
New Steam reviews per month
| Month | New positive | New negative |
|---|---|---|
| Nov 2025 | 32 | 0 |
| Dec 2025 | 36 | 3 |
| Jan 2026 | 35 | 2 |
| Feb 2026 | 62 | 4 |
| Mar 2026 | 273 | 6 |
| Apr 2026 | 88 | 6 |
| May 2026 | 72 | 1 |
| Jun 2026 | 84 | 5 |
| Jul 2026 | 111 | 2 |
| Aug 2026 | 60 | 2 |
| Sep 2026 | 87 | 2 |
Sales estimate
| Copies sold on Steam | 220k – 590k | |
|---|---|---|
| Gross revenue on Steam | $1.9M – $6.5M before refunds, tax and Steam’s cut | |
| Steam reviews by buyers | 6,067 | Oct 24, 2026 |
| Copies per review | 37–97 |
Estimates are based on an aggregation of industry-accepted conversion formulas. How this is estimated
Tag DNA
| Tag | Share of Steam games |
|---|---|
| Programming | 1 in 193 games |
| Steampunk | 1 in 171 games |
| Hex Grid | 1 in 158 games |
| Automation | 1 in 45 games |
| Great Soundtrack | 1 in 46 games |
| Logic | 1 in 20 games |
| Difficult | 1 in 19 games |
| Building | 1 in 18 games |
Games like Opus Magnum
| Game | Developer | Match | Steam reviews |
|---|---|---|---|
| SHENZHEN I/O | Zachtronics | 95% | Overwhelmingly Positive · 3,761 |
| MOLEK-SYNTEZ | Zachtronics | 91% | Very Positive · 526 |
| EXAPUNKS | Zachtronics | 90% | Overwhelmingly Positive · 1,379 |
| Infinifactory | Zachtronics | 89% | Overwhelmingly Positive · 1,791 |
| SpaceChem | Zachtronics | 87% | Overwhelmingly Positive · 2,634 |
| Alan's Automaton Workshop | Laputa Labs | 88% | Very Positive · 197 |
| TIS-100 | Zachtronics | 86% | Overwhelmingly Positive · 3,398 |
| The Farmer Was Replaced | Timon Herzog | 83% | Overwhelmingly Positive · 9,461 |