As the army's demolition expert, you have your enemy's location pinned down crossing the bridge, Determined to stop them from returning from their base, you lay in wait till they cross the bridge. After fitting the bridge with numerous bombs, try to kill as many enemies as you can. The first and second trigger bombs are the key. Once the first bomb explodes, your enemies wil be shaken with surprise and will try to run back to the other side. A pinpoint bomb to cut off the bridge to the other side to leave them stranded in the middle of a broken bridge.. For each level, there will be a certain amount of damage required in order to proceed to the next.