Defense Legend 4: Sci-Fi TD is a thrilling tower defense game available on the iPhone platform. Developed by GCENTER VIET NAM TECHNOLOGY JOINT STOCK COMPANY, this free game takes the war between humans and the Dark to a whole new level.

In Defense Legend 4, players face a maximum challenge as the Dark sends a large and powerful army to attack strategic bases from all sides - air, land, and underground. The Dark constantly evolves and develops new schemes, making it difficult for the humans to defeat them. To succeed, players must focus and strategize to defeat the Dark's troops.

The game offers two heroes who fight directly, supported by a superhero team equipped with modern weapons. Players can upgrade their cannons and develop special skills to enhance their defense. With various territories like deserts, forests, and iced lands, each presenting unique challenges, players must adapt their strategies accordingly. Additionally, the game offers different modes to keep players engaged.

Defense Legend 4: Sci-Fi TD provides an intense and immersive tower defense experience for players who enjoy strategic battles. Download it for free on the iPhone and join the fight against the Dark.