Ran his own software company, Abersoft.
| Title | Company | Year | Language | Documents |
|---|---|---|---|---|
| Adventure 1 | Melbourne House, Abersoft |
1981 | English | Solution |
| Ingrid's Back! | Level 9 Computing |
1988 | English | Solution |
| Knight Orc | Level 9 Computing |
1987 | English | Solution, Hints, Clue sheet |
| Lancelot | Level 9 Computing |
1988 | English | Solution |
| Mordon's Quest | Melbourne House, Abersoft |
1985 | English | Solution, Map, Hints |