Here is a fun remake of the classic shooter.
Supports 1 or 2 players like the original arcade machine
4 different sets (or themes) for invaders, bases and ufos
Multiple on screen control panel options (left joystick, right joystick, spread buttons, left buttons)
Many options for things like moving shields, swerving missiles and invader shots.
Share scores on Facebook and Twitter with friends and family
Full game centre support
No annoying ads.
No annoying in app purchases.
Have fun!