Apparatus (1) is disclosed for determining the award of a prize. The apparatus includes memory (2) for storing prize data indicative of a prize value for the prize. An input device (4) is responsive to input signals from a respective plurality of gaming terminals (6) for providing an increment signal. An increment device (8) is responsive to the increment signal for incrementing an accumulating value. A comparator (15) is responsive to the prize data and the accumulating value for determining if the prize is to be awarded and, if not, generating a continue signal. A processor (15) is responsive to the continue signal for refreshing the prize data.