Portal Stories: Mel Factory

Hazards

 * Laser
 * Goo
 * Falling to Death
 * Crushed to Death

Trivia

 * The part where cubes are tested to see if they can open doors, the number '74656' is visible on the right wall. This is a reference to USS Voyager with registry number NCC-74656 from the science fiction television series, Star Trek: Voyager.