Tower Attack was one of the Galactic Ranger missions of Operation: URBAN STORM on Kerwan. After failing to destroy the Ranger assault force, the Tyhrranoids fell back to four towers in the city center. This mission involved using the Hovership to defeat all the Tyhrranoid forces stationed at the four towers. The reward for completing this mission was 20,000 bolts (80,000 in Challenge Mode).
- Ratchet & Clank: Up Your Arsenal (first appearance)