first:-make inf waves. and every couple of waves enemyes being stronger, also rewards being better
-and also to this being more fun add upgrades mid game in endless, like for 100k money u can buy +10% dmg for all ur units or for 200k money the stun from enemies will become weaker or +1 placement limit for all units for like 300k and smth like this
second:-buff endless merchant
-like he can sell exlusive good units with mythic+ rarity and can think sell pot t4-t5. also make consumables in him shop cheaper or more usable.
third:-make more and better rewards for beating waves
-like make pothions drop random (not only luck pothions) make more coins and gems in rewards, remove revive from legendary reward. add in mythic reward t5 random pothions. and make secret rewards with 0.01% what give rly good secret tower. (and then higher wave then u get better rewards or better chance for rare rewards)
fourth:-make rewards for beating waves. like for 100, 200, 300... btw yeah. so its can be unit , new creates, banners.
fifth:-being fun if they add events for endless
-what i mean: like every 20 waves a UFO arrives and kill ur 1 unit, or moon-storm for like 30 seconds what decrease radius of all units on 30% and any other events. its make game harder and funnier i think.
