Finished your fifth game
Don’t miss a shot ten times in a row
Start a game on Normal
Finished your third game
Reach the last Damage upgrade
Reach the last Firerate upgrade
Killed the third enemy
Killed the boss 3 times
Killed 256 enemies total
Reach the last Speed upgrade
Shot 1 000 times
Reach the last Health upgrade
Killed the second enemy
Killed the boss once
Killed 100 enemies total
Start a game on Easy
Finished your first game
Reach a multiplier of at least 10
Reach a score of at least 50 000
Reach a multiplier of at least 5
Reach a score of at least 25 000
Killed 25 enemies total
Reach a score of at least 10 000
Killed the first enemy
Start a game on Hard
The first is finally over
Reach a multiplier of at least 25