Paradise Mecha

Your ship has crash landed on a small island some where in the pacific ocean. All systems have been shut down. Nothing works, except for a single mecha. The enemy ship, packed full of mechas and fighter jets, is hot on your trail, and will arrive at any moment, 30 seconds to be exact. As it is, your only course of action is to fight them all off by yourself, while defending your own ship from being destroyed. Quite a lot rests on your shoulders. Your mecha is equipped with both a sword and blast...