To level up your city, you need to accumulate experience points by completing tasks, building structures, and engaging in battles. Focus on upgrading your buildings and fulfilling missions to gain the necessary points quickly.

Resources such as coins and materials help you build and upgrade your city. Use them to create new buildings, enhance existing ones, and unlock special features that will improve your city’s functionality and aesthetics.

Unlocking new characters and features requires completing specific missions or reaching certain milestones. Pay attention to the objectives in your tasks, and make sure to explore various gameplay options to discover new unlocks.

Sure! To participate in battles, follow these steps: 1. Go to the battle menu. 2. Choose your character and select 'Fight'. 3. Select an opponent or join an arena. 4. Use your character’s abilities wisely during the battle to maximize your chances of winning.

Efficient city management involves strategic planning. Focus on balancing resource production and consumption. Ensure you upgrade buildings regularly and keep completing missions to maintain a steady flow of resources while maximizing city growth.