Destroy all viruses by matching 4+ of the same color horizontally or vertically.
Two-colored capsules fall from the top. Rotate and position them to make matches.
Touch: Tap buttons to move, rotate, and drop.
Keyboard: ←→ move, ↓ soft drop, Space hard drop, Z/X rotate.
100 pts per piece cleared. 300 pts per virus. Chain combos = bonus multiplier!