On the options screen, type "SCRAP 28" for infinite lives. Press
'0'-'1' on the keypad to select levels. On early versions press
"HELP" and fire together to activate the cheat. 
09:00:15
16-BIT. 100 % HERZ // KICKSTART 3.1 // WORKBENCH LOADED
On the options screen, type "SCRAP 28" for infinite lives. Press
'0'-'1' on the keypad to select levels. On early versions press
"HELP" and fire together to activate the cheat.