The old gamma laboratory

roll d6 1/4 1gamma crystal!. 2/5 2gamma crystals!. 3/6 3 gamma crystals roll d6 1/2 33% going to blow up!. 3/4 66% going to blow up!. 5/6 is going to blow up!. More crystals = more odds of blowing up!. If blow up board wipe and win{g/w}