Cheats:

 A few parameter:

 Start the game with

 dsun -k911

 and the parameters

 -a  no intro
 -m  no music
 -p  party has all Psionics
 -s  party has all spells

 Keys            Result
 -------------------------------------------------------------------
 [m][/][M]       renews all spells
 [t]             character goes up one level in the fight
 [T]             all members of your party go up one level
 [Alt][F2]       the party gets more power and is almost invincible
 [Alt][F3]       learn all spells