Pokémon Grand Colosseum

Grand Colosseum not only acts as a difficulty hack to one of the hardest pokemon games out there, but brings a host of QOL changes, including but not limited to

. Physical/Special split
. Fairy type
. 65 New moves
. Stat/type/Ability updates and changes (In line with Drayano's hacks)
. Revamped TM list with 8 new TMs
. Infinite TM use
. New shadow encounters
. Gym themed Colosseum battles
. Higher difficulty
. Alolan Ninetales and Marowak
. Paldean Tauros
, Different versions based on which set of starters/legendario trio you want
. Ability to access the PC anywhere by pressing R
.Revamped UI

Source: TheGamesDB