Extra Time is a data disc for Kick Off. It adds new features: four new surfaces (wet, soggy, hard and artificial) that have effects on the speed, travel distance and bounce of the ball as well as the pace and stamina of the players, Cross Winds, four new tactics (Blitz, Lockout, Criss Cross and Falcon), new attributes for the players, faster pace, leagues at the Reserve, National and International level and twenty new referees.