http://www.netrover.com/~timt/cheats/n/nebulusii.html (Amiga Plus Extra No. 5/97, 05/1997)On the title screen, type "HELLOIAMJMP" for infinite lives. Also, pressing 'F1'-'F8' you can access any of the towers.
If you can't collect enough weapons, type in "HOUSEBLUES" on the `up' towers, or "BLUESHOUSE" on the `down' towers.
05-----"ICEHOUSE"
09--"LANDANDLOVE"
13---"GREENTREES"