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| Code | WGR1 |
|---|---|
| TSR product code | 9292 |
| Rules required | 2nd Ed AD&D |
| Character levels | 2 - 15 |
| Campaign setting | Greyhawk |
| Authors | Blake Mobley Timothy B. Brown |
| First published | 1990 |
| Linked modules | |
| WGR1 Expedition to the Ruins of Greyhawk | |
Greyhawk Ruins is an adventure module for the Dungeons & Dragons (D&D) fantasy role-playing game. It was published in 1990 by TSR, Inc. for the second edition Advanced Dungeons & Dragons rules.