Mouse = Move & Shoot -OR- WASD = Move Click = Shoot -OR- Mouse = Move Space & Click = Shoot Grab as many acorns as you can to earn a golden acorn. Golden acorns can be used as ammunition against your enemies or to progress through the game. Toss Blue Ptero your golden acorns to reach the quota (bottom-left bar) and clear the level. Watch out for enemies and obstacles though! Your health bar is on the bottom right.