Seriously Helpful Fixes/Suggestions For Improvement:
1) Allow city re-sizing so we can see more of the city in order to organize it.
1b alt) 'full-screen mode' where we can see more of the city; battle screen is same size.
2) A portion of unspent cash from tiles could be returned as city cash. This could even be an unlockable.
3) Fix contested zone so new maps can be loaded on every browser
4) Allow a history of who has sent us crates
Bonus) Bring in a new monkey or 2.
5) When choosing 'strong', snipers shouldn't all be aiming for the same bloon. The upgrades are expensive enough and each has enough power to damage or destroy, they should each be able to hit their own unique target.
6) When monkeys are restricted on a tile, allow a buyout for the tile/unlockable trait where we can use the restricted monkeys.
*I love your games, I have played them for a decade now. These items come from many of us. I would love to know if you have read this and considered it*