ZeroRanger

ZeroRanger is a vertically scrolling 2D shoot'em up with heavy emphasis on shooting, dodging and... mystery?
A menacing alien threat, GREEN ORANGE, has begun its invasion. Only two secondary fighters remain against complete annihilation.
Blast your way through enemy forces in order to unleash your fighter's latent potential, unlocking new weapons and abilities.
But as you grow stronger, so does your understanding of the true nature of your adversary...Bullet Points:
8 distinct colours (including GREEN and ORANGE)
4 stages of enlightenment & relentless action
2 secondary fighters remaining
1 endless cycle of life and death
Technical Tidbits:
TATE (screen rotation)
Scanline options
Colourblind mode
Unlockable extra palettes

May you attain enlightenment