Deal damage for the first time.
Kill 100 enemies in a single run.
Kill 250 enemies in a single run.
Kill 500 enemies in a single run.
Survive for 5 minutes in a single run.
Survive for 10 minutes in a single run.
Reach level 15 in a single run.
Reach level 20 in a single run.
Defeat your first boss.
Defeat 3 bosses in total.
Defeat 25 bosses in total.
Collect 1,500 XP in total.
Collect 10,000 XP in total.
Die 50 times.
Take all seven starting perks in a single run.
Unlock the Minigun.
Unlock every weapon.
Unlock all seven characters.