| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Gurps Basic Set: Campaigns | 978-1-55634-730-6 | 2004 | Steve Jackson |
| GURPS Basic Set: Characters, Fourth Edition | 978-1-55634-729-0 | 2016 | Steve Jackson · David Pulver |
| GURPS Cliffhangers 2nd Edition | 978-1-55634-589-0 | 2002 | Brian J. Underhill |
| GURPS Deadlands Weird West | 978-1-55634-455-8 | 2001 | |
| GURPS Magic 4E Softcover | 978-1-55634-795-5 | 2009 | Jeff Rose · Abrar Ajmal |
| GURPS Screampunk | 978-1-55634-547-0 | 2002 | Jo Ramsay · Laura Waters · Alain H. Dawson |
| Munchkin Masters Guide | 978-1-55634-668-2 | 2003 | |
| Munchkin Masters Screen | 978-1-55634-718-4 | 2003 | |
| Munchkin Player's Handbook | 978-1-55634-667-5 | 2003 | Steve Jackson |
| Personnel Files | 978-1-55634-679-8 | 2002 | Phil Masters · Ramon Perez |
| Principia Discordia | 978-1-55634-320-9 | 1994 | Steve Jackson · Derek Pearcy |