Amiga

Rainbow Islands

Amazon ; an online store selling new and used computer and video games.

Google ; search engine that ranks by popularity

Google Groups ; an archive of Usenet newsgroups; useful for finding discussions; formerly DejaNews

Game Trading Zone ; a site specializing in trading computer games; useful if you want to trade one of your games for Rainbow Islands.

eBay ; Many older games listed on MobyGames are out of print. Auction sites like eBay are the best place to find them.