The following are known Action Replay Codes for Phalanx on Nintendo Game Boy Advance (GBA).

These are Action Replay Version 3 (V3) Codes.

The codes should work with the region specified but may work for other regions as well.

(m)
e8b50462
ce318f01
eea35c80
2d12ce8a

Inf NRG
77f2eb81
e69c8a46

Inf lives
188ee782
a458b6a9

Inf bombs
2980d809
b07f26ab

Max speed
3ed9739b
7dd7b3a1

Max score
8f31a206
92c87a4e

Start on last level
bedce103
6e955774