You can level up your Cookies by using the experience points (XP) gained from battles. Just go to the Cookie menu, select the Cookie you want to level up, and use the XP items available in your inventory.

Treasures provide various boosts to your Cookies during battles. Equip them in the Treasure menu before starting a battle to maximize your team's potential. You can find and upgrade Treasures through quests and events.

Unlock new Cookies by either drawing them from the gacha system using Rainbow Pearls, or by completing certain quests and achievements. Each Cookie has unique abilities, so experiment with different combinations!

To manage your Cookie team, consider their roles and abilities. Place Tanks at the front, Damage Dealers in the middle, and Support Cookies at the back. Regularly upgrade your Cookies and adjust your team based on the challenges faced.

To complete World Exploration, follow these steps: 1. Access the World Map from the main menu. 2. Select an exploration area. 3. Assemble a team of Cookies that suits the area's challenges. 4. Start the exploration and complete the required objectives.