| Type | Company |
|---|
| Source | Date | Type | Role |
|---|---|---|---|
| Apple Panic | 1981 | Game | |
| Lode Runner | 1983 | Game | |
| Lode Runner | 1984-07-31 | Game | |
| Raid on Bungeling Bay | 1985-02-22 | Game | Developer |
| Spelunker | 1985-12-07 | Game | Publisher |
| SimCity | 1989 | Game | Publisher |
| Logical Journey of the Zoombinis | 1996 | Game | Publisher |
| Where in the World Is Carmen Sandiego? | 1997 | Game | Developer / Publisher |