Buccaneer's C64 Treasure - Games and emulators to download. Bullwnkl's Arcade Classics - Features Commodore 64 versions of popular 80's arcade games. C64 Game Guide - Large collection of information on C64 games, developers and software houses. Also features games released into the public domain and a question and answer forum. C64 TAP Central - Preserving as many images of old C64 tape software as possible, with revenue from banner advertisements going towards new C64 originals.
Many games are also available in versions for other computers.
Internet Archive - Lots of games, walkthroughs, cover scans, cartridges and SID music. Commodore 64 Mecca - Games archive without the screenshots or graphics of other sites. Commodore Apocalypse - Colorful site with a C64 game cover and advertisement collection, game reviews, an Elite FAQ, Compunet nostalgia and more. That Weren't - Downloadable previews of unfinished C64 games that were never released. Great Games for the C64 - C64 games, cheats, reviews and utilities.