The following are known Action Replay Codes for Mortal Kombat Trilogy on Nintendo 64 (N64).

Device Compatibility: Action Replay & GameShark

Infinite Health Player 1
800322BE 00AA
800C318E 0000
800C3FEE 0000

Maximum Agressor Player 2
8003264C 00D0

Player 1 Unlimited Energy
801698AD 00A6

Player 1 Aggressor Text to Energy Bar
80169941 0030

Player 2 Aggressor Text to Energy Bar
80169943 0030

Maximum Agressor Player 1
8003264A 00D0

Player 2 Unlimited Energy
80169B81 00A6

Infinite Health Player 2
800325E6 00A6
80032146 00A6