Pokemon Omega Ruby (Pokemon Ruby Hack) is a remake of the original Pokemon Ruby game created by a hacker nicknamed lucasfera15. The plot of the game does not change from the original version, only changes in the shape and evolution of the Pokemon.
These changes include
Kyogre> WATER STONE> Primal Kyogre
Groudon> FIRE STONE> Primal Groudon
Swampert> WATER STONE> MEGA Swampert
Steelix> MOON STONE> MEGA Steelix
Camerupt> FIRE STONE> MEGA Camerupt
Sceptile> LEAF STONE> MEGA Sceptile
Blaziken> FIRE STONE> MEGA BLAZIKEN
MANECTRIC> THUNDER STONE> MEGA MANECTRIC
ALTARIA> SUNSTONE> MEGA ALTARIA
AGGRON> MOONSTONE> MEGA AGGRON
PIDGEOT> SUN STONE> MEGA PIDGEOT
VENUSAUR> LEAF STONE> MEGA VENUSAUR
CHARIZARD> MEGA VENUSAUR
CHARIZARD> MINE MEGA Gengar
Charizard> FIRE STONE> MEGA Charizard Y
GLALIE> Moonstone> MEGA GLALIE
Tyranitar> Moonstone> MEGA Tyranitar
SABLEYE> Moonstone> MEGA SABLEYE
Rayquaza> MOON STONE> MEGA Rayquaza
Sharpedo> WATER STONE> MEGA Sharpedo
Metagross> MOON STONE> MEGA Metagross
Salamence > SUN STONE> MEGA Salamence
BEEDRILL> SUN STONE> MEGA BEEDRILL
Blastoise> WATER STONE> MEGABlastoise
