There should be way more ways of actually getting the Tank Coins except for just the two tasks (one of them isn't even worth doing) or being lucky in crates.
Just noticed that this game suddenly has been infected by a burst of lag. Weird, huh? Even if my computer is good enough to run Pong on lowest settings, it still does lag. Aww. Now the Beginner Quest cannot be completed. Dang it.
Love it how you actually see the parts you can interact with, instead of a typical ''find it for yourself'' game. This makes the game way easier, some people could say it even makes it too easy.