Ada: "Need a ride, handsome?"
Leon:"Heh. Okay..."

Once you have finished the game, you will unlock a number of new modes and weapons. These include the high-score mini-game 'The Mercenaries', Assignment Ada which is a stand-alone scenario starring Ada, Separate Ways which is a scenario with Ada as the main character as well but it actually ties in with the main game's storyline. Beating Separate ways unlocks the Chicago Typewriter for purchase from the Merchant and you can also buy the Infinite Rocket Launcher. There is also lots to unlock in the Mercenaries mini-game. You also unlock 2 sets of special costumes to use on another runthrough.