EABT-AA4W Master code-Must be entered
AB8A-AACW Special attack uses no energy
AB8A-ANCW Special attack uses 1/2 as much energy
R1DT-A60R Normal attacks use no energy
P1DT-BD0R Normal attacks gain energy instead of losing it
AA4A-BB96 Start with maximum energy
AJ7A-AA3R Infinite credits
AB9T-CTE0 Each energy unit is worth 2 times as much
AB9T-DAE0 Each energy unit is worth 4 times as much
AB9T-CAN0 Each energy unit is worth 8 times as much
ALXT-AA4Y Most alien hits do no damage (no life lost on life meter)
AJEA-CA7R Aliens in shooting gallery do no damage (no life lost on life meter)
9WET-BCS4 + CWET-B998 + ACET-AGH6 Start on Mission 2--Expel the Aliens
9WET-BCS4 + CWET-B998 + ACET-ANH6 Start on Mission 3--Alien's Nest
9WET-BCS4 + CWET-B998 + ACET-A2H6 Start on Mission 5--Save the Laboratory
9WET-BCS4 + CWET-B998 + ACET-A8H6 Start on Mission 6--Night Crawler
9WET-BCS4 + CWET-B998 + ACET-BEH6 Start on Mission 7--Destroy the UFO
9WET-BCS4 + CWET-B998 + ACET-BLH6 Start on Mission 8--Final Battle
