Sky Defense: War Duty is an action-packed mobile game available on Android and iOS. It provides an immersive experience where players engage in strategic aerial combat, upgrade aircraft, unlock weapons, and complete challenging missions. The game features intense graphics and realistic sound effects for an exciting gaming experience.

Yes, Sky Defense: War Duty is free to download and play. It offers optional in-app purchases for enhancing gameplay, such as new aircraft, weapons, and upgrades to help players progress faster. Parents should monitor these purchases if children are playing.

Android devices need Android 5.0 or higher, and iOS devices require iOS 11.0 or later. A stable internet connection is necessary for optimal performance, especially during multiplayer modes. The device should have sufficient storage space and RAM to handle the game's graphics and data.

Sky Defense: War Duty requires an active internet connection for most features, particularly multiplayer and online leaderboards. Some single-player missions may be playable offline, but full access to all features and updates requires a stable internet connection.

The multiplayer mode allows players to participate in real-time battles, either teaming up with friends or competing against them. The game includes global leaderboards to track and compare progress worldwide. Success in multiplayer depends on teamwork and strategy.