After finished 90 minutes match at 1 - 1 goals, then the match goes to extra time. (tsmplug.com)
To players, please play with passion and high work rate for 90 + minutes each match. (justarsenal.com)
There isn't yet that much information on the game's website other than some tidbits about the short 15 minute matches of tactical gameplay. (deathbybeta.com)