If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Guide your firework through the aerial obstructions using the left and right arrow keys. Beware, your fuse is getting shorter each second and more when using boost by holding space bar. Collect the power-ups for points and upgrades as you get bigger and better rockets for bigger explosions and more points. As you upgrade your rocket, you earn points from power-ups and increasing altitude. It might be harder to fly bigger rockets.. but it'll be worth for the nuke.
Arrow keys Left / Right - To control the rocket.