On level 3 you're not supposed to move, you send your unit's from that spot the entire level. besides the map on that one only goes up to the little barricade.
Above the house you get a " Glasses Teleport ". The crab has a must ache and glasses and a funny nose... LOL. MY RIBS ARE IN MY EYES! OH GOD THE PAIN! I SHOULD HAVE SEEN THIS COMING!
If you are having problem with Chrome and don't want to install Firefox try this: http://twiik.net/articles/google-chrome-just-killed-the-unity-web-player
Amazing game! I have a total of 18 guns and a Gernade Launcher. It only weighs like 78 pounds. HOW DOES IT ALL FIT IN THE BACKPACK!? And why does the boat just stop once it's about 300 feet from the dock? I survived mostly using my trusty shovel ( Betsy ). :D
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If you are having problem with Chrome and don't want to install Firefox try this: http://twiik.net/articles/google-chrome-just-killed-the-unity-web-player