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This list should be used for checking the copyright status of old PC games. If you would like to find out more about it or are unsure of how to use it, please click here.
| name | year | producer | publisher | status |
|---|---|---|---|---|
| Ultima Underworld - The Stygian Abyss | 1992 | Blue Sky Productions | ORIGIN Systems, Inc. | |
| Ultima Underworld II - Labyrinth of Worlds | 1992 | Blue Sky Productions | ORIGIN Systems, Inc. |