Metro: Last Light Redux is an updated release of Metro: Last Light. The game runs on an updated version of the 4A Engine with performance enhancements, and the introduction of graphical effects such as global illumination and terrain tessellation. There are also new melee animations and the ability to check your watch and inventory. There are now two game modes: Survival focuses on a survival-horror similar to the original Metro 2033 with deadlier enemies, while Spartan is described as Last Light style with more focus on combat and more resources available.
This release also includes all previously released DLC content: