The 1.6.1 update of Bridge Mania contains a number of game modes accessed from the main menu:

Old Bridge - The old standard game mode.

New Bridge - Generated levels, each level has generated content based on level specific custom scripts.

Habanero Bridge - Play a harder version with continues. You start the game with 5 continues and get one extra every time you collect a banana.

Apple Bridge - Each enemy is transformed to apples.