The following are known Action Replay Codes for Ice Age 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)
763e2a1e
12490ff7
b882ae8f
dc046456

Inf fruits
e8474d60
55950720

1 hit kill boss
953d6347
7d45414a

All levels
fe2d7aff
e494828a

Slow-mo on button
dbba3a89
4cb74b94