🗼Combining two units of the same type creates an upgraded version with enhanced abilities and power.
💡Strategic thinking is required to choose the right units to combine, as some combinations may result in weaker towers.
💰Earning money in the game is crucial to upgrade units and unlock more powerful towers.
🔺The difficulty and strength of the enemies increase as the game progresses, requiring stronger towers and strategies.
📈Upgrading towers and maximizing their potential is the key to progressing further in the game.