Fix missing semicolon.
Fix enemies sprites.
Implement bonuses, enemies and an early objects group entity.
Adding additional entities to manage game flow.
Solving object groups being initialized in reverse order.
Removing PixelArt plugin.
Remove Player velocity cost when jumping, make him leap for less frames.
Give easing choice options, make balls bounce for a bit longer period.
Make enemies stand farther apart.
Player.js: Simplfying, complicating, messing...