Merge Dragons! presents a fantasy puzzle game where players combine objects to heal a magical land corrupted by Zomblins. Developed by Gram Games Limited, the title occupies a distinctive position in the mobile gaming market by blending match mechanics with persistent world-building elements, creating a hybrid experience that has maintained a 4.5-star rating through sustained player engagement. The core gameplay revolves around merging identical items—including dragon eggs, trees, and treasures—to create higher-value objects that advance progression. Players manage both level-based puzzles and a persistent camp where dragons can be housed and developed. The economic system requires careful resource management, as dragons enter sleep states after performing tasks, creating natural pacing mechanisms. Premium currency (gems) allows for accelerated progression through dragon nests and special items, though many systems remain accessible through free play. User experience benefits from a colorful, consistent art style featuring diverse dragon designs and smooth merging animations. The interface provides clear visual feedback for successful combinations, though some players report occasional saving issues requiring manual progression preservation. Real-world usage patterns suggest the game serves as a secondary activity rather than primary engagement, with sessions typically lasting 5-15 minutes for casual merging and resource collection between energy regeneration periods. User feedback trends highlight appreciation for the non-intrusive ad implementation and long-term engagement potential, as evidenced by Jennifer Smith's July 10, 2025 review noting years of continued play. However, Diane Spicer's July 13, 2025 critique references early-game pacing issues with sleeping dragons limiting activity. Lydia Carlise's July 16, 2025 review confirms persistent technical considerations regarding save functionality, though these appear offset by overall satisfaction for most players. The game demonstrates strengths in its satisfying progression systems and extensive content library, though limitations include energy mechanics that may frustrate players seeking continuous engagement. Ideal use cases involve intermittent play sessions where gradual collection and combination provide relaxing entertainment rather than competitive or time-sensitive challenges.