About the GameThis content requires the base game Middle-earth™: Shadow of Mordor™ on Steam in order to play, available to purchase from the Bundle Stars Storehere.This exclusive Challenge Mode continually spawns new Legions of Enemies from the pits of Barad-dur for you to test yourself against. The Runes which you earn can provide powerful upgrades.Includes Steam Trading Cards!
OS: 64-bit: Vista, Win 7, Win 8
Processor: Intel Core i5-750, 2.67 GHz | AMD Phenom II X4 965, 3.4 GHz
Hard Disk Space: 25GB
Video Card: NVIDIA GeForce GTX 460 | AMD Radeon HD 5850
Direct X Version: 11
Requires Steam account and Steam client.