What's a good iOS game for strategic tower defense gameplay with challenging levels?

Raid Rush: Tower Defense TD offers a compelling tower defense experience with levels designed to test your strategic thinking. Players have noted that the game presents a good challenge, requiring careful planning and resource management to overcome enemy waves. The core gameplay loop is engaging, encouraging daily play as you experiment with different tower placements and upgrade strategies. While some find certain aspects, like the cost of memberships or ad formats, less than ideal, the overall consensus is that the game provides a fun and rewarding experience for tower defense enthusiasts seeking a strategic challenge on their iOS devices. The need to adapt your strategy to each level and enemy type keeps the game fresh and engaging.