Some noticeable differences: Multiple towers, multiple enemy prefabs, a whole wave based system,
a simple Roman theme and some custom assets [and a pack from Synty (Fully recommend synty!)]
The highest wave i’ve been able to get to before the enemy health is too much is Wave 5.3.
Youtube full video (8 mins): https://www.youtube.com/watch?v=jIEEeHVw290
Youtube Short (30 seconds): https://www.youtube.com/shorts/pX3b_cKjrlw
Let me know what you think!