Spy vs Spy
Books: GAME BOY Secret Codes - Secret Codes 2003 - Game Boy Games Secrets
002-D2A-3BE Infinite timer
046-9EE-C42 Both spies start with 4 energy
066-9EE-C42 Both spies start with 6 energy
086-9EE-C42 Both spies start with 8 energy
04D-84B-C42 After death, start with 4 energy--white spy
08D-84B-B42 After death, start with full energy--white spy
005-14B-3BE No loss of energy during fight--both spies
005-03B-80A Other spy's punches do not affect your energy
FA0-5CA-4C1 Walking over floor flowers doesn't affect your energy
00A-76B-E62 Traps do not affect energy--white spy