Gi - Guilty Gear XX Λ Core Plus R is a fighting game for the PlayStation Vita. Arc System Works is the developer for the entire series and as such developed the game. In addition to the popular Guilty Gear series, Arc System has a long history of developing fighting games like the popular BlazBlue series and Atlus‘ Persona 4 Arena. XX Λ Core Plus R is the fifth update of Guilty Gear XX featuring new balancing, some update move sets and newly tournament legal characters. Guilty Gears XX is the third game in the Guilty Gear series, which follows storylines of multiple characters drawn by Daisuke Ishiwatari.