There are several unlockable items, suits, and weapons in Sly Cooper: Thieves in Time for the PS3, including some cameos from other games, like Ratchet’s Wrench from Ratchet & Clank, or Cole’s Amp form Infamous.
To unlock these items, you’ll need to find and collect the masks that are scattered throughout the game.
Here are the items, suits, and weapons you can unlock in the game, and how many masks you’ll need to collect to unlock them.
Unlockable Items, Suits, & Weapons
Monkey Paraglider – Collect 5 masks
Camouflage Paraglider – Collect 10 masks
Ultimate Sly Suit – Collect 15 masks
Ultimate Bentley Suit – Collect 20 masks
Ultimate Murray Suit – Collect 30 masks
Ultimate Carmelita Suit – Collect 40 masks
Ratchet’s Wrench from Ratchet and Clank – Collect 50 masks
Cole’s Amp from Infamous – Collect 60 masks