The new enemy types that have been added are too strong for your puny towers. Something needs to give with this game. Either take away towers having to have experience to level up, or make leveling towers up free, or something. It's beyond annoying have 2200 gold but no towers to apply it to, all the while enemies are holding hands skipping past my towers while healing each other. And the towers themselves straight up suck to start with. The crypt is slow and has to "recharge" it's ability to fire multiple projectiles. The burrow is weak... that's it. The splash damage upgrades are okay if you can place the freeze crypt near it. The flame tower is ok but the range is shorter than my pinky toenail. Ifrit upgrade seems decent at doing damage. They get quite a bit stronger once you're finally able to level them up enough (usually right before the end of the map) if you can survive that long. The upgrades are hit and miss.
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