Up arrow: change background Red controls: A/D: Move left/right W: Jump Hold R+W: High Jump, takes a while to charge Collect orbs to use for bouncing ninja star. S: Throw Bouncing Ninja star Q: Spear that moves at fast pace towards Blue; can be stopped by shield and has to be collected after use to use again F: Super move, activated when you collect glowing orb. Blue controls: J/L: Move left/right I: Jump Collect orbs to use as ninja stars, and once 5 orbs are collected a puddle of ink appears which harms Red. Once 10 orbs are collected (meter below) another puddle appears. K: Throw ninja star/ jump in air U: Shield; deflects enemy ninja stars but may be able to be penetrated by spear. Hold O: charge bomb; the more you charge the farther it goes. P: Super move, activated when you collect glowing orb. Ninjas can be harmed by both moving and stationary projectiles.
Credit to Will_Wam for inspiration, all sprites and code by me.