The Matilda is a bonus weapon that is not included in the standard game. There are three ways it could be obtained: Solving Clue #5 for the Inserted Evil minigame would enter the player to win one of 6600 codes for the Classic Weapons pack, which includes the Matilda. Certain small retailers included the pack as a pre-order bonus. The most common way to obtain the Matilda was to purchase the special edition of the game. Having 15 rounds in it's magazine and 60 spare rounds initially, the maximum number of spare bullets is 120.