Loses all chance at being relaxing at around level 12. Too high of a number of needed hits + too short a lifespan + the balls just not moving fast enough = real pain.
Actually removed my 'e' key for this, 2 different attempts where I got over 4K without using a single 'e', and not a single time did it count off the achievement. Meh.
 "Reincarnation: The Evil Next Door"){kind=icon}
 "Boomshine"){kind=icon}
 "Proke"){kind=icon}
 "Topsy Turvy"){kind=icon}
 "Flight"){kind=icon}