Merge Tower : Idle Fish

Dive into a chill yet strategic underwater defense where you merge fish towers, build unstoppable lines, and watch waves melt away. Combine identical fish to evolve powerful towers, unlock new species with unique attack styles, and stack synergies for explosive damage. Enjoy true idle progression with offline rewards, quick arcade bursts between upgrades, and deep strategy through placement, timing, and resource management. Perfect for fans of merge, tower defense, and idle games who want relaxed play with satisfying growth.