Pokemon Eclipse is a hack of FireRed. This is one of the good hacks are available at this time. Check it out.
Pokemon Dark Crystal is a Pokemon hack from Pokemon Emerald – the superior expansion of Pokemon Ruby and Sapphire.
Pokemon Cyan is a FireRed hack of chrunch in PokeCommunity. Your main storyline will happen based on what you have decided. Many Pokemon are mixed with Fakemon at the same time in a brand new updated region.
Pokemon Cursed: Well, another hack made from a floating creepypasta on the Internet, made by Reidd.
Pokemon Crush is a hack made from Pokemon Ruby and it is in Spanish, not English. The author, RedMort, is a Spanish himself (maybe this is the most reasonable excuse for the language of this game).