Pokemon Extra is a hacked ROM of Pokemon Ruby. The game plot is almost the same as the plot of Pokemon Ruby although there are some changes in towns, routes.
Pokemon Dark Cry: The Legend of Giratina is the remake version of the original Pokemon Dark Cry that was stolen by a Japanese Hacker. It is one of several hacks that were made by michel1.
Pokemon Darkblue is another Pokemon ROM Hack from the creator Lex. It is based on Pokemon Ruby (U).
Pokemon Celebi’s Return is a great ROM that is made from Pokemon Ruby engine and displayed in English although it is an unfinished game.
Pokemon Blue Sea Edition is an awesome Pokemon Hack that is based on Pokemon Fire Red. With the brand new story, you will have an exciting adventure.