◆App Description

In this application, you can enjoy "Galaxian G 30th Edition" 100% FREE!
You can also enjoy the commerative 30th-anniversary opening-movie.
"Galaga G 30th Edition", "Gaplus G 30th Edition", and "Galaga '88 G 30th Edition" become available with in-app purchase.

◆Get the 30th Edition remakes NOW!Powered up for fans new and old alike!

・Experience the new Galaga!
All-new features include updated graphics, optimized touch-panel controls, and more!

・Upgrade your ship with new Galaga Points!
Earn Galaga Points when you play, and spend your Galaga Points on items to toughen up your fighter! Save your points up and customize your fighter into the meanest ship in the system!

・Aim for high scores with new SCORE ATTACK mode!
Defeat as many enemies as you can within the time limit to hammer out a new high score! Scores are compatible with the Game Center and can be shared on Facebook and Twitter.

Source: http://itunes.apple.com/us/app/galaga-30th-collection/id413616338?mt=8