# Opus Magnum

> A puzzle game exported player-made machine GIFs; its Workshop listed 6,935 puzzles.

- Owner: Zachtronics
- Kind: Game
- Sector: Gaming
- Seed date: 2017-10-19
- Peak date: Week of Nov 1, 2017
- Date basis: Dates use the stated precision; chart positions are date anchors.
- Spread Score: 46 (Notable), v1.2
- Mechanics: Shareable output, Creator relay, Platform jump, Press loop, Controversy

## Summary

Opus Magnum launched in Early Access with a GIF exporter. Players shared machine solutions on forums, Twitter and Reddit, and trade press covered the circulation. GOG later reversed its rejection. Barth subsequently reported revenue in the millions.

## Timeline

- 2017-10-19 — Zachtronics (Open web) — Opus Magnum became available to the public on Steam Early Access.
- 2017-10-19 — Jordan Devore / Destructoid (Press) — Destructoid covered the Early Access launch and its playable campaign, editor and Workshop support.
- 2017-10-24 — Mike Fahey / Kotaku (Press) — Kotaku showed GIFs of different solutions and explained the built-in GIF exporter.

The full timeline, metrics and sources are on the case page, or via the Pro API (https://howitspread.com/developers).

Canonical URL: https://howitspread.com/cases/opus-magnum

Cite as: How It Spread (2026). “Opus Magnum.” Case HIS-00327. Spread Score v1.2: 46/100. Updated 2026-10-13. https://howitspread.com/id/HIS-00327