Clear 100 waves (Earn 2 Star Bags)
Clear 1000 waves (Earn 5 Star Bags)
Tap 50 white dots (Earn 1 Star Bag)
Collect 50 hearts (Earn 2 Star Bags)
Tap 500 white dots (Earn 3 Star Bags)
Play a game in multiplayer mode (Earn 2 Star Bags)
Die 100 times (Earn 5 Star Bags)
Reach wave 10 (Earn 1 Star Bag)
Reach wave 25 in multiplayer co-op mode (Earn 10 Star Bags)
Reach wave 20 (Earn 5 Star Bags)
Reach wave 30 (Earn 10 Star Bags)
Reach wave 50 (Earn 30 Star Bags)
Reach wave 40 (Earn 20 Star Bags)
Unlock Start Wave 5 in the shop (Earn 2 Star Bags)
Unlock Start Wave 5 in the shop (Earn 10 Star Bags)
Unlock Start Wave 10 in the shop (Earn 5 Star Bags)
Unlock Start Wave 20 in the shop (Earn 15 Star Bags)