Mental Omega: Almost Perfect Yuri's Revenge is a free unofficial expansion pack for Command & Conquer Red Alert 2: Yuri's Revenge (from Westwood Studios), which retells and continues the storyline of the original game. Enhanced with Ares DLL, Mental Omega 3.0 strives to bring new features to Red Alert 2 Yuri’s Revenge.
Ares is the next generation of binary-based Command & Conquer modding.
Following the path paved by pd's famous RockPatch, Ares fixes and enhances the Yuri's Revenge game engine in a variety of ways, allowing modders to expand the game with never before seen custom units.
However, unlike RockPatch and other exe patches, Ares does not modify the game's exe. Instead, Ares uses Syringe to inject its code into the game during runtime, leaving the original game unchanged, thus eliminating the need for backup exes or un-patchers.
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I wanted to post this in Yuri's Revenge section, but since it contains Mental Omega material I thought that wouldn't be the best idea.