On the mission 'Curtains Down' there is a basement on the west side of the building with a hidden room. Kill the three rats which are in the room and a key card called 'Ratclub Keycard' will appear on one of the tables. Collect the card and go up the stairs beside the targets dressing room to the second floor and use it to enter the first door on the left. Inside is a storge room with lots of rats having a party and enjoying themselves.

When you save during a mission a message box will appear on screen telling you that the game is saving. Press start before the 'Save Complete' message appears and it will not count it towards your limit. No harm will come to the saved game.

Complete each of the following achievements to get the allotted Gamerscore.

Tier 2 Kruger Schmidt - Gamerscore 5:
Tier 2 of the Kruger Schmidt upgrade shop unlocked.

Tier 3 Kruger Schmidt - Gamerscore 15:
Tier 3 of the Kruger Schmidt upgrade shop unlocked.

Notorious - Gamerscore 20:
47 is the world's most wanted.

Tier 4 Kruger Schmidt - Gamerscore 20:
Tier 4 of the Kruger Schmidt upgrade shop unlocked.

47 Kills in a Mission - Gamerscore 20:
A mission has been completed with precisely 47 kills.

Accidents Do Happen - Gamerscore 20:
A successful accident kill has been performed.

Fully Customized SMG Tactical - Gamerscore 25:
All custom SMG Tactical components purchased.

Fully Customized SP12 Shotgun - Gamerscore 25:
All custom Shotgun components purchased.

Rookie Mode Complete - Gamerscore 25:
Completed rookie difficulty.

Silent Assassin - Gamerscore 25:
A Silent Assassin rating has been awarded.

1st Mission Complete - Gamerscore 25:
'Death of a Show Man' completed on any difficulty.

5 Normal Silent Assassins - Gamerscore 25:
5 Silent Assassin ratings awarded on the Normal difficulty.

Fully Customized Silverballers - Gamerscore 25:
All custom Silverballer components purchased.

Fully Customized M4 - Gamerscore 25:
All custom M4 components purchased.

Fully Customized W2000 Sniper - Gamerscore 25:
All custom W2000 components purchased.

5 Expert Silent Assassin - Gamerscore 50:
5 Silent Assassin ratings awarded on the Expert difficulty.

Normal Mode Complete - Gamerscore 50:
Completed normal difficulty.

Redemption - Gamerscore 50:
You can't keep a good man down.

High Roller - Gamerscore 50:
$5,000,000 have been accumulated.

Special Rating - Gamerscore 50:
A Special Rating has been awarded.

Expert Mode Complete - Gamerscore 75:
Completed expert difficulty.

All Firearms Collected - Gamerscore 100:
All firearms collected and displayed in Hideout.

5 Professional Silent Assassins - Gamerscore 100:
5 Silent Assassin ratings awarded on the Professional difficulty.

Professional Mode Complete - Gamerscore 150:
Completed professional difficulty.


Dancing 47:
In the level 'The Murder of Crows' there are three separate bars in the area. These three bars are Salsa, Blues and Rock. Get outfits that correspond with each bar and enter that bar and enter it and stand 47 amongst the other dancers on the dance floor and don't touch the controller. After a few minutes 47 will start dancing with the ladies.