Silkworm
PAXGXALA Start with 1 life
TAXGXALA Start with 6 lives
PAXGXALE Start with 9 lives
SXSVIZVG Infinite lives using helicopter
SZVVGTVG Infinite lives using jeep
PEEGSPLA 1 life using helicopter after continue
TEEGSPLA 6 lives using helicopter after continue
PEEGSPLE 9 lives using helicopter after continue
PEOKNPLA 1 life using jeep after continue
TEOKNPLA 6 lives using jeep after continue
PEOKNPLE 9 lives using jeep after continue
PAXKEAAA Start at stage 2
ZAXKEAAA Start at stage 3
LAXKEAAA Start at stage 4
GAXKEAAA Start at stage 5
IAXKEAAA Start at stage 6
TAXKEAAA Start at stage 7
SZETZLSA Keep firepower and speed-ups for helicopter
SXOTPTSA Keep firepower and speed-ups for jeep
EEOVYUEI Restrict movement area for helicopter
EEOVGYEV Restrict movement area for jeep