--PILOT substitutes for all symbols, except ROBOT.
--When PILOT appears on reel 3, it will expand across all positions on that reel, only if the expansion results in a line win.
--ROBOT is a scatter.
--Any 3 or more ROBOT trigger 15 FREE GAMES.
--During the feature, if one or more PILOT substitutes in a win the pay for that win is x5.
--Free games can be triggered again during the feature.