updated game progression

Added shadows to the bugs that are cast by the light spot.
Improved lighting and bug contrast.
Refine level progression to present different wave ‘flavors’ and give more time at higher waves.
Change centipede color from blue to green.
Made ants worth more and changed their splat color.
Super boss roaches get red hot before exploding.
Alteration to centipede motion mechanics.
Changed 3-letter initials entry to 5-letters with scroller letter entry.

taproach

taproach