Game Play
Shoot red invaders (descending tone) for points.
Avoid shooting yellow invaders (descending tone with a low buzz)!
Shoot green stars (repeating chime) for random bonuses.
Earn a new gun every 500 points.
Controls
Left/Right Arrows: Move Gun
Spacebar: Shoot
P: Pause/Resume Game
Escape: Quit Game
S, A, T, G: Check Status (Score, Ammo, Time, Guns)
Dash or Equals: Adjust Game Volume (add Shift for music volume)
Comma/Period: Review prior or next screen reader message (Shift for first/last)
Semicolon: Show screen reader log
Screen reader users: Use focus or forms mode for best experience.