The following are known Action Replay Codes for Nuclear Strike 64 on Nintendo 64 (N64).

Device Compatibility: Action Replay & GameShark

Level Select code, Replace XX with required level
800ACE5D 00XX

00 = Level 1 – Scenario 1
01 = Level 1 – Scenario 2
02 = Level 1 – Scenario 3
03 = Level 2 – Scenario 1
04 = Level 2 – Scenario 2
05 = Level 2 – Scenario 3