Where to Start is the thirteenth level in Bloons Player Pack 1.
Like the level name says, the player may get confused at first, thinking where to start. The player needs to aim rightwards towards the Tack Bloon, releasing Pacman, which needs to go upwards popping the Tack Bloons. This will release another Pacman, which needs to pop the frozen bloons, then go downwards to pop the Tack Bloons, causing a chain reaction which will clean the entire clump of bloons.
- A glitch occurs in this level: while the player is at the select level screen, the icon for selecting this level shows a completely different level, with a large clump of Ice Bloons, Bomb Bloons and Spikey Bloons at the center, while at the bottom there is a Metal Block fence with a large pile of normal bloons under it.