Rise of the Gnats, Game Instructions

• Move the ship with your mouse
• Click to fire bullets
• Press 'A' to increase speed, 'Z' to decrease speed
• Avoid asteroids and alien attacks
• Destroy asteroids and aliens to score points
• Your ship has a shield that protects against alien lasers
• Each alien laser hit reduces shield by 2 points
• Crashing into an asteroid destroys your ship instantly
• Every 20 points scored gives you +5 shield points
• Passing through gas clouds grants 3 seconds of invincibility
• While invincible, you can destroy asteroids on impact
• Destroying asteroids or aliens while invincible awards 3x points
• Game difficulty increases every 500 points