Destroy 10 teleporters
Destroy 10 enemies with hammer
Make a first purchase
Destroy 10 enemies with rockets
Take the first boost
You are a real survivor
You defeated the Treader, you are now a true gladiator!
You survived random event, fortune is on your side!
You destroyed 100 enemies
First step on a path of a true gunslinger
You destroyed 50 enemies, good job!
Hold your breath!
You survived 10 waves, awesome!
You destroyed 10 enemies
You are now a decent sword fighter