Developed by Ultrasoft, ULTRA was originally a trio of modular systems used to create their adventure games; ULTRAcode, ULTRAcompiler and ULTRAvision.
ULTRA II was the system used in the later text-parser game Shadowkeep.
| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Mask of the Sun, The | Brøderbund, Ultrasoft |
1982 | English | Solution, Map, Hints |
| Mask of the Sun, The - Das Geheimnis der Aztekenmaske | Ariolasoft, Brøderbund, Ultrasoft |
1982 | German | Solution |
| Serpent's Star, The | Brøderbund, Ultrasoft |
1983 | English | Solution, Hints |