Tower Defense Mode!

Tower Defense mode has been added to the game! So buckle down, place a few cannons, and let loose the onslaught! Now, since I have this mode in the game, I would like to focus on adding more levels. For all modes. Hopefully those will come soon!

A few fixes were also added. But if you find any more bugs, glitches, and the such, please email me the problem(s) at [email protected].

Thank you!