Version 3.0 offers a whole new challenge. The creatures are back, but they have help and you now have to protect various cities on your home planet from their assault. The Wankers aim directly at you, but if you can avoid their weapon attack and destroy them, various specials will become available to you. Watch out for the Nasties. They make all of them look tame! Level Bosses are exceptionally aggressive that will test your aim skill to the max!
The purchased version offers ...

* 100 fun levels of game play
* 7 Primary and 4 Secondary Weapons
* Highscore reset
* Multiple Save/load game feature
* Auto-save at the start of each sector
* Auto weapon upgrading
* New specials,level bosses and much more