Detective Comics #635 1991

Detective Comics #635, published by DC in September 1991, features 'Mind Games' Part 1. Batman investigates an unknown force transforming Gotham City into deadly video game levels, with the threat stemming from Arkham Asylum. This issue marks the first appearance of Fidel Finnegan and the single appearance and death of antagonist Professor Powder. A memorable moment includes Tim Drake teaching Alfred Pennyworth how to play video games, offering a unique character interaction for collectors.