Portal: Aftermath

Portal: Aftermath is a science fiction puzzle-platform post apocalyptic game.

Plot
25 years after the Combine invaded Earth and enslaved humanity, The Aperture Science facility was completely destroyed and still active.

Protagonists

 * Chell (Main Protagonist)
 * Wheatley
 * Atlas
 * P-Body

Antagonists

 * GLaDOS (Main Antagonist)
 * Combine Overwatch