My favourite was the roguelike ADoM, which went up to 0.99, then alpha through gamma, then up to gamma 16, for a final version of 0.99gamma16 before tripping ov

My favourite was the roguelike ADoM, which went up to 0.99, then alpha through gamma, then up to gamma 16, for a final version of 0.99gamma16 before tripping over to 1.0.