Lately I've been struggling with the question of how do I make a game that people will want to keep playing for longer, past the first impression, past the first level clear... 10 levels of this game later, I'm thinking I ought to stop worrying about that so much. If this were mouse+keyboard rather than just keyboard, I'd no doubt have immediately hit restart. Great entry, particularly love the cloud layer as a little touch that goes a long way!

If you were inclined, I'm sure you could develop this into a game one could sink an hour or two into.

Cool game. Runs well in the browser :D

I'd recommend the program "Bfxr" for quickly generating sound effects :) , sounds will add a lot to your games with little work :D

Great atmosphere and I loved the small details, like how the trees have shadows, the little clouds that sometimes appear. Also, I liked that you added a small rotation to the tank, it sells the idea that it is a heavy machine. Great job!

Really enjoyed playing this! It's a simple reworking of the Gauntlet theme but  very effective. Nice work.