C64 Game - Invasion Anarchy

Fun littlle C64 title from Chris Page
https://designchaos.itch.io/invasion-anarchy
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It's an INVASION! And you're the only one who can stop it - prevent the aliens from reaching the bottom of the screen and capturing your fighter, as it's the only one you have.

Plug your joystick in port 2 and tap fire to shoot. Hold fire for a smart bomb to destroy all visible aliens. Each smart bomb costs 100 points.

The game pulse rate slowly increases over time, making the aliens faster and more frequent. Your level increases every 500 points and you are rewarded with improved fire rate and movement speed plus a slight slow down of the pulse rate.