skate 100 metres
skate 250 metres
skate 500 metres
skate 750 metres
skate 1000 metres
skate 1250 metres
skate 1500 metres
score 1000 points
score 2500 points
score 5000 points
score 10000 points
score 15000 points
score 20000 points
deliver 5 video tapes
deliver 10 video tapes
deliver 15 video tapes
deliver 20 video tapes
deliver 25 video tapes
deliver 30 video tapes