Capture more than 700 Pokemon from various generations as you explore the new region in this fun Pokemon game hack - Pokemon Theta Emerald EX! Pokemon Theta Emerald EX is a ROM hack released back in 2016. The game is a re-created version of the original ROM hack called Pokemon Theta Emerald that features only 650 Pokemon. This ROM hack now features a total of 721 Pokemon, over 600 moves, proper physical and special split, over 100 new abilities, fairy type Pokemon, new 100+ reusable TMs, and so much more. Will you be able to complete a much challenging Pokemon game? Have fun!