Skel and Defense is a strategic tower defense game available on Android and iOS. Players defend their territory against waves of skeleton-themed enemies by strategically placing defense towers. The game features various levels and challenges, offering a mix of strategy and entertainment for mobile gamers.

Yes, Skel and Defense is free to download and play on both Android and iOS devices. It offers optional in-app purchases for additional features or faster progression, but these are not required to enjoy the main gameplay.

For Android, a device with Android 5.0 or later is needed. For iOS, iOS 10.0 or later is required. A stable internet connection is recommended for full access to all features, including updates and online battles.

Yes, the game includes multiplayer capabilities, allowing players to compete against friends or others worldwide. Players can challenge others in real-time battles and climb leaderboards, adding a competitive element and enhancing social interaction.

Progression is based on completing levels and challenges. As players advance, they unlock new towers, upgrades, and abilities. The game increases in difficulty over time, requiring strategic planning to improve defenses and defeat tougher enemies in later stages.