lost password in java program

i forgot my password on a program called Sternkrieg
my username is haxxxordude
my password is something…
its a java program
i keep trying all my passwords that i normaly use…
and it didnt ask for my email address when i started so i cant get my password back
any ideas how to get it back? i dont want to hack in but i cant remember my password and i own sevral large Sternschiffe and dont want to give them up
thanks