Destroy an enemy shell
Destroy 10 enemey shells
Destroy 100 enemy shells
Destroy 1000 enemy shells
Destroy 10000 enemy shells
Destroy 1000000 Cannon Shells
Destroy 1 Enemy
Destroy 8 Enemies
Destroy 32 Enemies
Destroy 150 Enemies
Destroy 2 enemy shells in 1 shot
Finish a game with 0% shield remaining
Destroy 5 enemy shells in a row
Lose a game without destroying any enemy
Destory 2 enemies in 2 shots in a row
Destroy 3 enemies in 3 shots in a row
Do something to achieve