Download Latest version of Fortress Merge: Puzzle Defense Mod APK(v0.6.9)

To merge units, simply tap on two identical units. They will combine into a stronger unit. You can keep merging units to create even more powerful ones, which helps in your defense strategy.

Resources are essential for upgrading your units and building new structures. Collecting and managing these resources effectively is crucial for enhancing your gameplay and strengthening your defense.

To advance to higher levels, focus on merging units effectively and managing your resources. Completing missions and fighting off enemies also helps you gain experience points needed to unlock new levels.

Consider the following strategies to improve your defense: 1. Merge units strategically to create the strongest defenders. 2. Position your units wisely to cover all angles of attack. 3. Upgrade your structures to boost overall defense. 4. Utilize resources effectively to maintain a steady supply of units.

Upgrading units requires resources and understanding of their strengths. To upgrade efficiently: 1. Collect enough resources by completing levels. 2. Focus on the most powerful units first for upgrades. 3. Regularly check your unit combinations for stronger ones to maximize your defense potential. 4. Prioritize upgrades based on your strategy and upcoming challenges.