WWE have an article on their official website noting the match rules for the War Games match at the upcoming WWE NXT Takeover: War Games live special on November 18th.

The match rules are as follows:

– The three-member teams of SAnitY (Eric Young, Alexander Wolfe & Killian Dain), Undisputed ERA (Adam Cole, Bobby Fish & Kyle O’Reilly), and The Authors of Pain (Akam & Rezar) & Roderick Strong will wage war inside a massive steel cage that surrounds TWO rings.

– All three teams will be contained inside separate shark cages by the entranceway, with a member from each team (as chosen by his respective squad) starting the match.

– After five minutes, the remaining members from one team will be released from their shark cage and allowed to enter the match.

– When another three-minute period elapses, the remaining members from a second team are released from their shark cage and enter the match.

– Following another three-minute period, the final team’s members are released from their shark cage and enter the match.

– Once all three teams have entered the WarGames Match, a victory can be attained via pinfall or submission.