Pokemon Crystal is an online GBC game that you can play at Emulator Online. This free Game Boy Color game is the United States of America region version for the USA. Pokemon Crystal is a single title from the many adventure games, skill games and pokemon games offered for this console. If you enjoyed playing this, then you can find similar games in the gbc games category. Pokemon Crystal game is from the various retro games on the site, and there are more games like this, including Pokemon X and Y, Kirby 64: The Crystal Shards and Pokemon Fire Red Version.