ASTRO BARRIER- to get to different levels when the start up screen comes press a number 1-4 and you’ll go to that level also on level 30 and 20 there are expert levels to get there go to the directions before them on 30 wait a few minutes and a rocket will apear aim and shoot it
Also on level 10 shoot the orange box the other box blocking the colored dot now shoot the dot for extra points
