Enable All Cheats
8006FF20 FFFF
8006FF22 FFFF

All Cheats On
8006FF24 FFFF
8006FF26 FFFF

Hyper Mode
800729A4 941F

Slow Motion Mode
80073DD4 A1FE

Level Always On Modifier
80070060 00??

00=Duke Match 1
01=Duke Match 2
02=Duke Match 3
03=Duke Match 4
04=Duke Match 5
05=Duke Match 6