There's plenty of stuff to shoot, all the usual add-on weapons, but the execution is very poor. The colour-clash makes it very tricky to see what's going on at times, and Arkos seems to float around the screen in a manner which defies all the laws of physics.
Great fun...! The concept of hitting a small ball across a table lots of times proves to be very absorbing. The only trouble is that the computer tends to play too predictably, so you might be better off finding a friend to compete with.