What's a good iOS game for wiping out hordes of zombies with upgradeable weapons?

Zombie Waves-shooting game offers an engaging experience for players who enjoy action-packed zombie defense scenarios. The core gameplay revolves around strategically wiping out waves of zombies, requiring players to make tactical decisions about weapon upgrades and resource management. One of the standout features is the incentive system, where players can watch ads to gain in-game advantages. While some players might find the unskippable ads disruptive, others appreciate the rewards they offer. The game also allows you to spend time or money to progress, giving players some agency in how they play the game. However, some players have reported issues with lost items after updates, so it's worth keeping an eye on game updates and contacting the developers if you encounter any problems.