Pokemon Ultimate End is a good Pokemon Crystal Hack. It is not for those who like nice graphics because it uses Pokemon Crystal Codebase with GBC graphics.
Pokemon Turquoise is a great Pokemon Fire Red Hack that is made by Tropical Sunlight. If you play the latest version Beta 1.2, you can see almost the wonderful features that we will list below.
Pokemon Top Secret is an amazing Pokemon Hack you shoud give a try. This hack is made by megiddo and the main engine of it is from Pokemon Fire Red.
Pokemon Tiberium is an amazing Pokemon Emerald Hack that is made for fun. All texts in the game are in English. However, this hack is still in process of developing.
Pokemon Sienna is one of the best Pokemon Fire Red ever made by hashtag. It is really a wonderful hack you can not skip. The slogan of it is “the slumbering beast from the haven has returned”.