New Background!

Gameplay

• Added a short tutorial sequence for first-time players
• Added hard mode, bringing back the old enemy spawn rates to normal mode

Visual

• Changed the furthermost layer of background (which now scrolls, woo!)
• Added another galaxy in the background
• Changed the explosive meteor explosion animation a bit

General

• Added a home button in the game over screen
• Hard mode now unlocks after you survive for at least 100 seconds