| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Case of Murder, A | Taskmaster Software | 2022 | English | Solution, Map |
| Dragnet Case, The | Taskmaster Software | 1989 | English | Solution, Map, Hints |
| Legacy of Markham Island, The | Taskmaster Software, WOOT |
2022 | English | Solution, Map |
| Mystery of Markham Manor, The | Taskmaster Software | 2022 | English | Solution, Map |
| Plastic Man, The | Taskmaster Software | 1989 | English |