A system for providing a plurality of games is disclosed in which a plurality of user-operable terminals (1) provide respective players with a primary game, and generate primary game information messages relating to the primary game. A second game controller (2) receives the primary game messages and uses the information contained therein to administer a secondary game having an associated prize. The secondary game controller generates a tertiary game trigger message when the secondary game is won, and a tertiary game controller (5) responds the tertiary game trigger message by offering the secondary game winning player an opportunity to play a tertiary game using all or a portion of the secondary game prize as a stake.