Full list of all 12 Rocket Riot achievements worth 200 gamerscore. It takes around 3-4 hours to unlock all of the achievements on Windows Phone.
Shoot 5000 enemies in total.
Kill 3 enemies with one shot.
Shoot every type of enemy at least once.
Destroy 1,000,000 blocks.
Finish a destroy the object level without killing an enemy.
Finish the single player campaign.
Fight the final boss and fail miserably.
Shoot 50 zombies, 50 robots, 50 pirates and 50 soldiers.
Use every power-up at least once.
Get 50 longshots.
Shoot 20 enemies in 60 seconds.
Defeat the first boss in the pirate theme.