- Year: 1996
- Platform: DOS
- Publisher: Alfred Ritter GmbH & Co. KG
- Developer: Westka Interactive GmbH
- Theme: Graphic Adventure
Agent XXL und das Geheimnis der Quadrate is a video game published in 1996 on DOS by Alfred Ritter GmbH & Co. KG. It’s an adventure game, set in a spy / espionage, graphic adventure, puzzle elements and promotional themes.