In this cooperative game a group of young alchemists try to prepare potions before the ingredients run out. Players add ingredients - play different coloured cards into the cauldron. However, mischievous cats will cause a lot of trouble and can ruin the recipe. The goal of the game is to prepare as many potions as possible, working together, adding ingredients, and repairing the mischief caused by the cats. The players have won if they prepare enough potions before the ingredients run out. The more they prepare, the better the final score.