Tank UI Dock. Health Meter. Score: 999,999. Credits: 999,999. Wave: 3. Repair Ship: 53 Credits. Item. Machine Gun 2. Rocket Launcher 1. Plasma Gun 1. Dual Turret Ship. Tri Turret Ship. Upgrades. Credits. 9. 99. 999. 9999. 99999. Details of selected upgrade. Buy. Buy. Buy. Buy. Buy. Return to Battle.