Password - Unlock All Modes | |
| Enter the following during game play: | |
| Unlock All Modes | X, X, X, A, Left, Right, Left, Right, X, X, X, A, Left, Right, Left, Right |
Easter Egg - Shrine in Part one Chapter 7. | |
| Kill the two guys on the window cleaners lift head down a usual. After the cleaner shoots the guy in the suit out of the window kill him and head left on the balcony, jump through the opening in the scaffolding, and continue to head right until you see an open window. Go through and you'll find the shrine. | |
Easter Egg - Secret Video | |
| In Chapter 7 continued of Part 1, after you kill Kaufman and his henchmen at the end of the level, go back into the vacant apartment you went through to reach the lobby where you fought Kaufman. In the apartment, you should find a home-theatre system. Turn on the flat screen TV. You will see a short video. | |
Unlockable - Completion Bonuses | |
| Hard Boiled | Complete on Detective Mode |
| New York Minute | Complete on Detective Mode |
| Dead Man Walking | Complete on Detective Mode |
| DOA | Complete on Hard Boiled Mode |
