Reach Wave 5
Reach Wave 10
Reach Wave 20
Reach Wave 30
Reach Wave 40- Good luck!
Complete your first round!
Complete 5 rounds!
Complete 25 rounds!
Complete 100 rounds!
Complete 250 rounds!
Complete 1,000 rounds. Wow.
Kill your first three enemies! You're now legally a serial killer.
Kill 50 enemies!
Kill 500 enemies!
Kill 2,500 enemies!
Kill 10,000 enemies!
Kill 25,000 enemies!
Fire 25 bullets!
Fire 500 bullets!
Fire 2,500 bullets!
Fire 10,000 bullets!
Fire 50,000 bullets!
Fire 100,000 bullets!
Unlock Stage 2 in the Grasslands!
Unlock Stage 3 in the Grasslands!
Unlock Stage 4 in the Grasslands!
Unlock Stage 5 in the Grasslands!
Unlock the Arctic!
Unlock Stage 2 in the Arctic!
Unlock Stage 3 in the Arctic!
Unlock Stage 4 in the Arctic!
Unlock the Magma Caves!
Unlock Stage 2 in the Magma Caves!
Unlock Stage 3 in the Magma Caves!
Unlock Stage 4 in the Magma Caves!
Unlock Stage 5 in the Magma Caves!
Watch the credits all the way to the end.