: You can technically achieve a "better than perfect" hit-miss ratio. If you fire only one shot at the start of the game and time it so that it hits two overlapping enemies, you can end the game with a 200% hit ratio .
: One specific enemy spaceship in the game is designed as a direct reference to the Starship Enterprise from Star Trek . Galaga
: In the original 1981 arcade version, a famous glitch allowed you to stop enemies from ever shooting at you. If you let two bees in the first stage fly around and dive without killing them for about 15–20 minutes, they would eventually stop firing—and so would every other enemy for the rest of your session. : You can technically achieve a "better than