L Level

Level L is a hub world, also known as Waterfall World.

This level contains, from left to right:


 * Some green cubes, with Illegal Gun Shop way up high on the cliff, unlocked with O Key.
 * Save Room collector
 * Falling Bomb Challenge, behind a brick wall
 * 2 Green Gems, under a brick platform, near a 2-second bomb
 * Get The Bird Level, left entrance*, behind a skull block requiring 2 items in the skull block collector
 * Get The Bird Level, right entrance*
 * Various cubes/gems/weird plants
 * Save Room collector
 * Throw The Gun Level
 * 4 Blue Cubes
 * Door to Save Room
 * A purple laser, which will destroy any item (including you) (see below)
 * Flip Flip Switch Room
 * Below, a red laser (disabled with button* above) and purple laser (enabled with button* above), with a Short Door behind it (see below)
 * Waterfall Cave Level (tall door in a pit)
 * Save Room collector
 * Some red cubes
 * C Key Level
 * Electric box containing a Silver Gem (use a green gun to activate it at a distance)
 * Electric box containing a Blue Gem, Green Gem, Silver Gem, and Black Gem (use a green gun to activate it at a distance)
 * Long Fuse Puzzle Level (tall door)

Laser puzzle
Use a green gun on the box to deploy a blue cube. Shoot the box again to deploy a 3-second bomb. Shoot the bomb to destroy the blue cube. Shoot the box to deploy a 7-second bomb, landing on the button. Shoot the bomb and race over to the left, past the deactivated red laser, and then wait until the bomb explodes to swap the lasers. Enter the short door to get to a side area of level L4, and through another short door back to level L, where you will find a Black Gem, Save Room collector and a box containing:
 * 8 Bombs, (4, 3, 9, 3, 8, 6, 4, and 4-seconds), and then a 3-second activated Bomb.