Title screen. Note the stage select option -- you can skip straight to the last level!
Move every ZIG! For great justice!
Each type of enemy has a unique movement pattern.
The S capsule is a speed powerup. The starting speed is painfully slow, so be sure to collect it!
The bosses are actually sort of cool looking.
The game tracks how many of each enemy type you've destroyed.
Hey... isn't that the ship from Galaga?
The spread shot makes quick work of most bosses.
...though you wouldn't know it from this part of the level.
This guy is tough, shoots plasma balls over the screen, and generally causes a ton of slowdown.
Yep, you can pause the game too! So fancy!