In the VGL/North America/Summer 2015 tournament, GankStars Sirius reached first place.
In the first ever Vainglory International Premier League, GankStars Sirius reached first place against Hunters, become the first ever world champions.
Trying to defend their title in the second Vainglory International Premier League, the went undefeated until they reached the semifinals, losing to Team SoloMid, then known as Alliance.
GankStars Sirius won third place in the North American Winter Championship, going undefeated until they reached the semifinals, losing 1-3 to Team SoloMid.
In the VGL Winter Qualifier 1, GankStars Sirius took first place. Their first place title was taken when they lost to Team SoloMid in the VGL Winter Qualifier 2.
GankStars Sirius won third place in the Vainglory International Premier League/Season 3, going 3-0 in the group stages but losing 0-2 to Team Hack in the semifinals.
GankStars Sirius fared better in the VGL/North America/Spring 2016/Qualifier 1, coming in second place after losing the finals match in a BO5 to Hammers Kinetic.
On June 28th it was announced that IraqiZorro would join Gankstars Cerberus along with the roster of Emirking, L3oN, and TetnoJJ.