Get in your tiny ship and eliminate all pigs ahead. Use the arrow keys to move from side to side and tap the X button to shoot. Collect bonuses and double the power of your fire!
What are these pigs doing in the sky? Another question is how they received advanced weapons. Your mission is to punish those pigs and dodge their bullets. Use the arrow keys to move around and take no damage from shots and explosions. Press the button and kill all pigs around, collecting upgrades, that increase the amount of your shells.