Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defences in this epic sci-fi adventure. Set 100 years in the future, battle inter-dimensional hell spawn across the solar system and defend Humanity from complete annihilation.
The United Earth Research Initiative (U.E.R.I) facility on Uranus houses the most sophisticated machinery in the solar system. The base is used for cutting edge scientific research into the fields of astrobiology, particle physics and advanced weapons technology.
All projects are classified.