| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Obraz kontrolny | CD-ROM | 978-83-7818-520-8 | 2014 |
| Obraz kontrolny | Paperback | 978-83-7818-429-4 | 2013 |
| Sejf 3 Gniazdo Kruka | CD-ROM | 978-83-7818-651-9 | 2015 |
| Sejf 3 Gniazdo Kruka | Paperback | 978-83-7818-578-9 | 2014 |
| Sejf | CD-ROM | 978-83-7818-489-8 | 2014 |
| Sejf | Paperback | 978-83-7510-944-3 | 2012 |