| Type | Title | Year | Publisher |
|---|---|---|---|
| IBM PC DOS pack. | 🟩 Hugo II, Whodunit? | 1991 | Gray Design Associates |
| IBM PC DOS pack. | 🟩 Hugo III - Jungle of Doom! | 1992 | Gray Design Associates |
| IBM PC 3.5in. disk | 🟩 Hugo Trilogy | 1995 | Gray Design Associates |
| IBM PC/AT DOS pack. | 🟩 Hugo's Horrific Adventure | 1995 | Gray Design Associates |
| IBM PC DOS pack. | 🟩 Hugo's House of Horrors | 1990 | Gray Design Associates |
| IBM PC DOS pack. | 🟩 Jigsaws Galore | 1996 | Gray Design Associates |
| IBM PC DOS pack. | 🟩 Nitemare-3D | 1994 | Gray Design Associates |
| IBM PC DOS pack. | 🟩 Touch Typing Tutor | 1989 | Gray Design Associates |