The following are known Action Replay Codes for Aliens: Infestation on Nintendo DS (DS).

These codes are for the European version of the game.

Game ID: B79P-704BA6E1

Instant Health Recover (Doesn’t Prevent from Overkill)
02000000 e1d011b4
02000004 e1c011b2
02000008 ea002094
52008258 e2880c01
0200825c eaffdf67
d2000000 00000000

Infinite Ammo
520a2174 80421001
020a2178 e1d012b6
d2000000 00000000
520a1098 e59f00a0
020a109c e3a01a01
d2000000 00000000

Infinite Explosive
52066008 e3500000
0206600c 12400000
d2000000 00000000

Stamina Never Decreases
52060c0c e1d122fe
02060c10 e2422000
02060c60 e3a01f96
d2000000 00000000

Moon Jump (Press B)
94000130 fffd0000
b21d16c4 00000000
00000038 ffffd000
d2000000 00000000
94000130 fffd0000
b21d16c8 00000000
00000038 ffffd000
d2000000 00000000
94000130 fffd0000
b21d16cc 00000000
00000038 ffffd000
d2000000 00000000
94000130 fffd0000
b21d16d0 00000000
00000038 ffffd000
d2000000 00000000