Portal: Prelude Morality Core's Quest

This is the twenty-third level of the game, and introduces the players to the Morality Core, Rocket Turrets and Manhacks.

Hazards

 * Rocket Turrets
 * Manhacks
 * High Energy Pellets

Trivia

 * The Manhacks come from Half-Life 2.

Music
05. 3 Ghosts I - 3:51 by Nine Inch Nails