Zombie Defense - Merge TD Games description

Don't come here!
The end of the world is coming, there is only this oasis left in the world, defend this last source of life!
Game features:
▲ Four kinds of tower defense, unlimited upgrade
Four turrets: high attack turret, deceleration turret, poison attack turret, range attack turret; the game does not require any charge, only the infinite synthesis of your turrets, level 1, level 2 ... level 10 ... level 100 ... level 1000 .
▲ Zombies never stop
Wave after wave of zombies will never stop, and your turret will never go out! When you leave the game, you can also get income!
▲ High drop rate of Boss
Every 5 levels a Boss, defeat Boss to get a lot of gold coins and high-quality turret fragments to evolve your turret!
There are more than 2,000 levels in the game, which are still being updated. Come and play NOW!