Traperic: Programmer, graphics designer, sound effects, portability.
José Luis Castaño González (na_th_an): Several graphics in Phantomas PC.
Addax: Music in Phantomas PC.
The Evangelist: Mac portability.

Special thanks to:
Miguel Angel Jiménez (M.A. Software).
Popolon (Brain Games).
David González.
Enric Cervera, Emilio Salgueiro for beginning the legend.
Everybody who gets interested in these games.