| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| 69,105 Keys | David Welbourn | 2009 | English | Solution |
| Angel Curse, The | David Welbourn | 2003 | English | Solution, Map |
| Krakatoa Tuna Melt | David Welbourn | 2002 | English | Solution, Map |
| speedIF O entry, A | David Welbourn | 2001 | English | Solution, Map |
| Squeaky on the Moon | David Welbourn | 2001 | English | Solution, Map |
| This Is the Game That I Wrote | David Welbourn | 2006 | English | Solution, Map |
| Yay Games | David Welbourn | 2004 | English | Solution, Map |