1. Press 'Space'. 2. Watch the Marble say how to control him. 3. Dodge everything that is the color 'Red'. 4. Look out for the Laser Gun. 5. Also look out for the Moving Plat-Form Laser. 6. Press 'P' to restart [P means 'Pause' or something]. You are trying to get to the green box. 7. Get through all of the Levels.
(I shared this 5 years ago, then I unshared it, and now I'm re-sharing it) It may seem hard, but keep trying. NOTICE: I made this 5 years ago, so it's not my best project, and I won't be updating it. I just thought I'd share it for my own nostalgic pleasure.