Arrow keys/WASD to move; you can't move diagonally. Click/Space to shoot the red laser. Don't touch the green laser/asteroid. F to increase speed. Your goal is to shoot the incoming asteroids. Keep in mind that asteroids always appear either from the bottom left or the top right. Asteroids can be destroyed by green lasers. Asteroids shot by red laser award 5 points.
Evolved Retro Sky! Retro Sky becomes gray and wears laser glasses that shoot lasers. Asteroids destroyed by green lasers now also give points. Retro Sky: https://scratch.mit.edu/projects/947703573 Music: https://www.youtube.com/watch?v=ilKspkykx1o Laser gun: https://www.youtube.com/watch?v=FuvmTL1nPDs Green lasers: https://www.youtube.com/watch?v=VPhitKsURtg