JK2MV (Multi Version) is a modification for Jedi Knight II: Jedi Outcast. It supports all three game versions and comes with various features and optimizations.

Main Features:

• Supports 1.02, 1.03 & 1.04 in a single executable
• Supports most mods made for JK2 (maps, skins, (code)mods etc.)
• Fast ingame HTTP-Downloads with a dialogue asking you for permission before downloading files to your computer
• Multiplatform: Windows, Linux, MacOSX
• Multiarchitecture: 32 and 64 bit support on all platforms
• Fixes for major bugs found in basejk and many mods
• Dynamic glow: Better looking lightsabers with the dynamic glow feature from JKA
• EAX/OpenAL sound fixed
• Support for modern screen resolutions
• Fixes for all known security bugs
• Minimizer: Press the Windows key in fullscreen mode to minimize.
• Press Alt+Enter to quickly switch fullscreen mode
• Improved gamma correction
• High resolution fonts
• AVI demo recording
• MVAPI allowing mods to implement features impossible with original JK2 engine
• Tons of other fixes and improvements in the engine, see the changelog for detailed information
• Opensource​ (GPLv2)