[ context for “Cake” here ]
… “The player-character, Chell, is challenged and taunted by an artificial intelligence named GLaDOS (Genetic Lifeform and Disk Operating System) to complete each puzzle in the Aperture Science Enrichment Center using the portal gun with the promise of receiving cake when all the puzzles are completed.” … https://en.m.wikipedia.org/wiki/Portal_(video_game)