To expand your airport, you need to earn enough in-game currency. Use the income generated from flights to purchase new terminals and facilities, which will attract more flights and passengers.

Employees have specific roles such as managing flights, handling baggage, and ensuring customer satisfaction. Upgrading their skills can improve efficiency and increase your airport's overall performance.

To manage your flight schedule, prioritize flights based on their profitability. Monitor peak hours for passenger demand and adjust your schedule to maximize earnings.

Increasing passenger satisfaction can be achieved by providing more amenities, like shops and lounges, hiring better employees, and ensuring smooth operations to reduce wait times at check-in and boarding.

Unlocking new features requires progression in the game. Follow these steps: 1. Complete tasks and challenges for rewards. 2. Accumulate enough in-game currency. 3. Use the currency to purchase upgrades in the development menu. 4. Regularly check for new objectives that provide unlockable content.