Breakout
From Halopedia, the Halo wiki
Breakout is a multiplayer gametype in the Halo 5: Guardians Multiplayer Beta, dedicated to the multiplayer map Crossfire. The 4v4 match begins with players being propelled into the arena with only a single life and an objective to eliminate the opposing team. Each two minute round ends when one team completes the objective. 5 rounds are needed to win the game.[1]