The following are known Action Replay Codes for Call of Duty: Modern Warfare 3 – Defiance on Nintendo DS (NDS).

Game ID: B5BE-E210C974

SINGLE PLAYER ASSAULT RIFLE CODES:

AK-47 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae3a0
d2000000 00000000
Press SELECT to Activate.

AK-47 (Scoped) Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae3b0
d2000000 00000000
Press SELECT to Activate.

M4 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae3c0
d2000000 00000000
Press SELECT to Activate.

M4 (Scoped) Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae3d0
d2000000 00000000
Press SELECT to Activate.

M4 (Red Dot) Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae3e0
d2000000 00000000
Press SELECT to Activate.

AK-74 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae3f0
d2000000 00000000
Press SELECT to Activate.

Aug A3 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae400
d2000000 00000000
Press SELECT to Activate.

G36C Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae410
d2000000 00000000
Press SELECT to Activate.

SCAR Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae420
d2000000 00000000
Press SELECT to Activate.

SINGLE PLAYER MACHINE GUN CODES:

M249 SAW Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae430
d2000000 00000000
Press SELECT to Activate.

MG4 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae440
d2000000 00000000
Press SELECT to Activate.

RPD Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae450
d2000000 00000000
Press SELECT to Activate.

SINGLE PLAYER SUB-MACHINE GUN CODES:

M10 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae460
d2000000 00000000
Press SELECT to Activate.

M10 (Suppressed) Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae470
d2000000 00000000
Press SELECT to Activate.

MP7 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae480
d2000000 00000000
Press SELECT to Activate.

P90 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae490
d2000000 00000000
Press SELECT to Activate.

Skorpion Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae4a0
d2000000 00000000
Press SELECT to Activate.

SINGLE PLAYER PISTOL CODES:

M9 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae4b0
d2000000 00000000
Press SELECT to Activate.

USP .45 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae4c0
d2000000 00000000
Press SELECT to Activate.

Desert Eagle Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae4d0
d2000000 00000000
Press SELECT to Activate.

SINGLE PLAYER RIFLE CODES:

M14 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae4f0
d2000000 00000000
Press SELECT to Activate.

M14 (Scoped) Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae500
d2000000 00000000
Press SELECT to Activate.

M14 (Suppressed) Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae510
d2000000 00000000
Press SELECT to Activate.

Simonov SKS Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae4e0
d2000000 00000000
Press SELECT to Activate.

SINGLE PLAYER SHOTGUN CODES:

SPAS-12 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae520
d2000000 00000000
Press SELECT to Activate.

AA-12 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae530
d2000000 00000000
Press SELECT to Activate.

SINGLE PLAYER SNIPER RIFLE CODES:

MD0A3 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae540
d2000000 00000000
Press SELECT to Activate.

Druganov SVD-63 Max/Perfect Stats
94000130 fffb0000
d5000000 0000270f
c0000000 00000003
d6000000 021ae550
d2000000 00000000
Press SELECT to Activate.

SINGLE PLAYER ROCKET CODES:

M72 LAW Max/Perfect Stats
94000130 fffb0000
021ae5bc 0000270f
d2000000 00000000
Press SELECT to Activate.

RPG-7 Max/Perfect Stats
94000130 fffb0000
021ae5cc 0000270f
d2000000 00000000
Press SELECT to Activate.

SINGLE PLAYER GRENADE CODES:

Max Grendades Thrown
94000130 fffb0000
021ae5f0 0000270f
d2000000 00000000
Press SELECT to Activate.

Frag Grenade Max/Perfect Stats
94000130 fffb0000
021ae5fc 0000270f
d2000000 00000000
Press SELECT to Activate.

AK-47 (GL1) Max/Perfect Stats
94000130 fffb0000
021ae56c 0000270f
d2000000 00000000
Press SELECT to Activate.

M4 (GL1) Max/Perfect Stats
94000130 fffb0000
021ae58c 0000270f
d2000000 00000000
Press SELECT to Activate.

M79 Max/Perfect Stats
94000130 fffb0000
021ae5ac 0000270f
d2000000 00000000
Press SELECT to Activate.

SINGLE PLAYER KNIFE CODES:

Knife Max/Perfect Stats
94000130 fffb0000
021ae5dc 0000270f
d2000000 00000000
Press SELECT to Activate.

Throwing Knife Max/Perfect Stats
94000130 fffb0000
021ae5ec 0000270f
d2000000 00000000
Press SELECT to Activate.

SINGLE PLAYER GENERAL CODES:

Press SELECT to Reset Death Count
94000130 fffb0000
021ae0c8 00000000
d2000000 00000000
Press SELECT to Activate.

Press L+R to Unlock Quick Play Levels
94000130 fcff0000
121ae0dc 00003fff
d2000000 00000000
Press SELECT to Activate.

Press L+R to Unlock Challenge Levels
94000130 fcff0000
121ae0fc 000007ff
d2000000 00000000
Press SELECT to Activate.