Open REZ File format – Programs, How to view and convert online

Alien vs Predator game file definition and 4 other file types and linked programs information.


The File extension rez is used by the following type(s):

Alien vs Predator game files

The rez file is associated with Alien vs Predator game files.

Programs that open rez files:

  • Aliens versus Predator (Windows)


Escape Velocity Nova plugin files

Escape Velocity Nova plugins are distributed as .BIN files. When they are copied into plugin directory, Escape Velocity Nova convert .BIN file into new BurgerLib resource format .REZ.

Programs that open rez files:

  • Escape Velocity Nova (Microsoft Windows)


LithTech game engine resource files

The REZ file extension is associated with LithTech Game Engine. The .rez files contain package files that contain various game data such as music, textures, sounds, models, or maps.

Lithtech is a game engine which was initially developed by Monolith Productions in collaboration with Microsoft. Monolith later formed a separate company, LithTech Inc., to deal with further advancements of the engine technology and currently, after a change of its corporate identity, LithTech Inc. is known as Touchdown Entertainment. A number of different video game developers, including Monolith itself, has been using Lithtech to power their first-person shooter games, thus contributing to the success of the engine, establishing it as an alternative to other products, such as the Quake and Unreal engines.


  • Aliens versus Predator 2 (Microsoft Windows)
  • Blood 2: The Chosen
  • Dragon UnPACKer
  • No One Lives Forever
  • No One Lives Forever 2
  • Purge <(Windows)
  • Sanity: Aiken’s Artifact
  • SHOGO: Mobile Armor Division
  • Tron
  • ZipZag


Resume Divider file

Japanese Web site. File dividing tool.


  • Resume Divider (Windows)