Pokemon Ukemerald is a hack of Pokemon Emerald.
Pokemon Complex Crystal is a hack of Pokemon Crystal, the first version of Generation II. Actually, there was a hack named Complex Crystal before, but it wasn’t finished.
Pokemon Sea Green Advance is a hack of Pokemon LeafGreen. It is not another boring hack like some others, according to the words of this author.
Pokemon Emerald 2 : Again, people keep remaking or hacking Pokemon Emerald. Why? Because it is too popular, too familiar with us – the Pokemon lovers and trainers.
Pokemon Fire Red Kalos : Right from its title, we can clearly see that Pokemon Fire Red Kalos is a hack of Pokemon Fire Red.