Epic Monster TD - RPG Tower Defense is a tower defense game developed by Iron Horse Games LLC. It is a free-to-play game available for Android. The game is set in a fantasy world where players must defend their homeland from invading robot armies. Players take on the role of commander of the United Monsters Alliance defense force. The game features a variety of elemental monsters and high-tech military robots, which players can use to defend their homeland.

The game has a unique twist on the classic tower defense game genre. It features RPG elements, such as a fantasy RPG-based world and classes. Players can unlock powerful elemental monsters and upgrade them to defend their homeland. The game also features offline gold earnings, daily missions, and achievements. Additionally, the game hosts a PvP tournament twice a week, adding to the game's replayability factor.