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GLaDOS is an artificial intelligence created by Aperture Science, and the main antagonist throughout the Portal series.
Mari0[]
GLaDOS does not appear at all in the base version of Mari0. Though she was planned as a boss for Mari0: SE, this never came to pass. GLaDOS does appear in Mari0 Alesan's Entities as a portal element entity in the level editor. Despite that, multiple tilesets exist to add GLaDOS into the game, and in SE she can be integrated further with Custom Enemies and Animations.
Portal Games[]
She is the main antagonist throughout Portal and the first half of Portal 2's single-player campaign. She tested Chell in difficult puzzles requiring the Portal Gun to solve them.
Trivia[]
- GLaDOS stands for Genetic Lifeform and Disc Operating System.