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About Virus Attack
A virus moves around a grid. You carve open patches. They become yours. You leave behind a slender line. The virus must not touch that trail.
Tap the space bar to start drawing. Push arrow keys to steer. Each move creates a barrier. A crash ends your run. Stay alert.
Your loop finishes at the grid edge. That seals off new ground. Repeat this. The space shrinks with each loop. You claim every corner.