chute
fastlane
vortex
cosmicdux - This is a special boss level.

void
thewall
slide
bridge
ducks - This is the level with ducks.
fort
speedtrap
slalom
blocks
moids - Another boss level.
vault
squeezer
slomo
blender
mousetrap - Yet another boss level.
bottle
puzzlebox
ratmaze
thegrid
tentacle - This boss level features the dreaded Plasmangler.