The gameplay is simple: Avoid the red ballz whilst collecting the green ones. Get as many green ballz as you can before you fail ... and you will fail!
This is your Ball. Use the arrow keys to steer it around the play area. If you go off the edge you will re-emerge on the other side.
These are the target Ballz. You need to collect as many as possible if you want to score well.
These are the enemy Ballz. Avoid them at all costs!
Every few seconds new enemy Ballz will spawn from beneath this. It is harmless and you can pass right beneath it but be carefull of your timing.
There are also bonus Ballz that appear at random intervals:
This Ball will increase the number of target Ballz available.
Freeze ... gives you 10 seconds of motionless enemy Ballz.
Bomb! Destroys all target Ballz in one fell swoop. Fantastic!
Makes your Ball invincible for a short period. During which time your Ball will turn gold. Be carefull though, there is no warning when your invincibilty will fail!
Slows the enemy Ballz to a crawl for a short time.