The following are known Action Replay Codes for Silent Scope 2: Dark Silhouette on Sony Playstation 2 (PS2). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark (Version 1 & 2)

Master Code – Must Be On
EC8816A0 14465F34

No Reload
4CB48B9A 1456E7A3

Infinite Health P1
4CB48B74 1456E6A5

Infinite Credits
4CB1A99C 1456E7A7

Infinite Time
4CB48BA6 1456E70C

Always Head Shot P1
4CB3E9EC 1456E7A5

Unlock All Bosses
4CA99942 1456B00C

Unlock All Options
4CA9993E 1456B00C

Unlock All Extra Options
1CA99940 61DFB00C