Finished the tutorial
Finished the first level
Finished chapter 1
Finished chapter 2
Finished the game
Got the rocketlauncher drone
Destroyed 10 harmless repair-bots
Purchased your first upgrade
Purchased 10 upgrades
Purchased all upgrade in one section
Destroyed 100 enemies
Destroyed 300 enemies
Got the triple shot for the first time
Got the double shot for the first time
Got the rocketlauncher for the first time
Got the flamethrower for the first time
Got the goose plasmagun for the first time
Shoot for 3333 times
Died for 72 times
Collected 15 health packs
Collected 10 grenades