Galaxy Defense: Fortress TD is a strategic tower defense game set in a futuristic space environment. Players must defend their galaxy from waves of enemies by building and upgrading various defensive towers. The game emphasizes strategy, resource management, and quick decision-making to survive increasingly difficult enemies.

The game is available on both Android and iOS devices. Players can download and install it from the Google Play Store or the Apple App Store on smartphones or tablets.

Yes, the game offers in-app purchases. While free to download and play, players can buy items or upgrades to enhance their experience, progress faster, or access exclusive features and content.

The game can be played offline, which makes it convenient for playing on the go or in areas with limited internet. However, some features like updates, leaderboards, and certain in-app purchases might require an internet connection.

The game is suitable for players aged 10 and above. It involves strategic thinking and planning, making it engaging for older children and adults. Parental guidance is recommended for younger children due to mild cartoon violence common in tower defense games.