Destroyed Aperture

Destroyed Aperture is a community-made modification for Portal 2.

Story
Aperture Science Facility 7 is empty. Following the failure of the central core, the complex was consumed by overgrowth and decay. With the exits sealed and communications disabled, David Grayling, the protagonist, is trapped, helpless and alone, with no memories about his past. The continued fate of Grayling is still unknown due to the mod is still in development.

Mechanics
Destroyed Aperture's mechanics work similarly to Portal and Portal 2.
 * New, "futuristic Portal Gun that's rusty"
 * New feature - Portable Button
 * Another new feature - currently kept secret by developers
 * 23 levels in 5 chapters, with own story and increasing difficulty
 * Custom in-game developer commentary

Characters
Currently, there is 3 characters in the mod:
 * David Grayling - main character played by player, trapped in Aperture Facility 7
 * Neado - a personality core
 * Announcer - perhaps the same as in Portal 2