Here is the full list of all 9 Pincrediball achievements.
Earn at least 6 gold medals in the Tutorial Machine.
Earn at least 6 silver medals in the Tutorial Machine.
Earn at least 3 gold medals in the Tutorial Machine.
Earn at least 6 bronze medals in the Tutorial Machine.
Earn at least 3 silver medals in the Tutorial Machine.
Earn at least 3 bronze medals in the Tutorial Machine.
Earn at least 1 silver medal in the Tutorial Machine.
Earn at least 1 gold medal in the Tutorial Machine.
Earn at least 1 bronze medal in the Tutorial Machine.