video(key, url) → {

physicsGroup(physicsBodyType, parent, name, addToStage)

retroFont(font, characterWidth, characterHeight, chars, charsPerRow, xSpacing, ySpacing, xOffset

group(parent, name, addToStage, enableBody,

tileSprite(x, y, width, height, key, frame, group) → {

spriteBatch(parent, name, addToStage) → {

weapon(quantity, key, frame, group)