commodoregames.net
CommodoreGames.Net is a searchable archive and browser-play library for classic Commodore 64, VIC-20 and Commodore PET games. It lists 30,000+ C64 games, 2,500+ VIC-20 games and 800+ PET games, and supported titles can be played directly in the browser. The archive also holds manuals, developer interviews and copy-protection research.