Defend X-TD is a free-to-play strategy game available on Android that combines hero management and tactical gameplay. Players summon heroes from five unique factions—Wind, Fire, Water, Light, and Darkness—to create formidable defenses against waves of enemies. The game features a multi-hero strategy where each hero has distinct skills and elemental advantages that players must utilize effectively. The combat is enhanced by a gear and talent system, allowing for personalized playstyles and powerful skill executions that can devastate multiple foes at once.

In addition to the core gameplay, Defend X-TD offers a rich array of challenges across hundreds of levels, each with unique mechanics and enemies. The game includes a real-time PvP arena where players can test their strategies against others globally. With a dynamic roguelike mode and a social guild system, the game ensures a fresh experience with every playthrough, keeping players engaged in a constantly evolving adventure.