
Play a classic Shoot 'Em Up... in reverse!

Beat the game on the Beginner difficulty or harder

Beat the game on the Casual difficulty or harder

Beat the game on the Mediumcore difficulty or harder

Beat the game on the Pro difficulty or harder

Beat the game on the Tough difficulty or harder

Beat the game on the X-TREME difficulty

Get a Continuum Captain rank or higher on all the levels in the Beginner difficulty

Get a Continuum Captain rank or higher on all the levels in the Casual difficulty
Minimum OS *:Windows XP SP2, Vista, Windows 7, or Windows 8 Processor:2.0+ GHz or better (dual core recommended) Memory:2 GB RAM Graphics:NVIDIA 8000 series DirectX®:9.0c Hard Drive:300 MB HD space Sound:Windows compatible