MLG Columbus 2018 serves as the Halo World Championship 2018 North American Regional Finals, taking place at the MLG Arena in Columbus, Ohio from March 23 - 25, 2018. Halo 5: Guardians is played in 4v4 and FFA competition.
MLG Columbus marks the second time MLG has held the North American Regional Finals for a Halo World Championship at their arena in Columbus, the first time being MLG Columbus 2016. Like last time, the event is locked to sixteen teams (unlike the other 2018 qualifiers), qualified through the 2000 Series. The top nine teams at the event qualify for Halo World Championship 2018.
Closed event; sixteen teams invited and seeded into four-team groups by Pro Points