Cute game, like the concept of a turn based TD. However, it needed a little more depth for my taste.
100% the game in 2.5 hours. I was able to fully max the tree before getting to the final row of stages. Only repeated a level twice for achievements. Felt like there was really no threat to the castle or to your hero.

All in all, I would've liked to see more options for towers and more diverse upgrades/attack types, more champion options. But for the price point I cant complain too much.

Great game for its price point.
There are 4 chapters of 5 levels each, and in total it should take about 3 hours to complete.
Some levels can be challenging but you can use upgrades to tailor the difficulty to your taste. You can also use upgrades to make different builds viable, which adds variety.
The gameplay loop is easy to understand and you jump right into it with no time wasted, which I appreciate.
The achievement system is also nice and it adds a few more reasons to replay some levels.
I recommend this game if you want to have a chill time for a couple of hours.

Great game, especially for its price tag
Guaranteed to get you a couple hours of fun, could've had a little more units and enemies, but hey, it's only 5 bucks