A gaming machine (10) has a display (14) and a game controller (36) arranged to control images displayed on the display (14). The game controller (36) is arranged to play a game (16) wherein one or more random events are caused to be displayed on and, if a predefined winning event results, the machine...http://www.google.com/patents/USRE42351?utm_source=gb-gplus-sharePatent USRE42351 - Multiple credit meter
