Mental Omega Wiki
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Welcome to the Mental Omega Wiki

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This wiki is filled with SPOILERS about the Mental Omega mod. Proceed at your own risk!

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Chinese - 中文

This is a community-based Wiki intended to be a complete source of information to the Mental Omega: Almost Perfect Yuri's Revenge modification for Command and Conquer Red Alert 2: Yuri's Revenge. Here you can find details and guides about the updated factions, their units, the mod's full story line and the campaign missions which spans from Act One to Act Two which will be updated as the mod progresses.

About Mental Omega APYR
Mental Omega APYR (Almost Perfect Yuri's Revenge), often shortened as Mental Omega or MO, is a free unofficial expansion pack for Command & Conquer: Red Alert 2 - Yuri's Revenge. First released in 2005, the mod started off as a balance modification created by Speeder and Mevitar, who would later grow into the Mentalmeisters team. After a few years, the mod had grown into a de facto unofficial sequel, with version 3.3 adding a new faction - the Foehn Revolt.

Mental Omega APYR uses the Ares Expansion DLL which allows new features to be added into the gameplay by adding new units and rebalancing existing ones, making the mod almost completely different than the original Yuri's Revenge and more suitable for multiplayer gameplay, which is the mod's aim to make it perfectly balanced (hence why the mod is tagged as an "Almost Perfect Yuri's Revenge").

Mental Omega APYR features new campaigns for the Allies, Soviets, and Yuri, continuing from where Command & Conquer: Red Alert left off and branches into an alternate, expanded universe which spans over 80 missions divided into two different acts related to two stages of the game's story: the Soviet invasion to the United States and the war against Yuri. Cooperative modes for 2 players are also available.

Mental Omega APYR also features the addition of hundreds of new skirmish maps and a variety of game modes, which makes both skirmish, network and multiplayer games a lot more fun to play. Multiplayer is primarily played through the CnCNet. In addition, each faction has an extensive list of unique soundtracks, composed by Frank Klepacki, Black Ice 9 and World Beyond.

Mental Omega APYR is in version 3.3.6 as of October 30, 2021.

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Factions and Subfactions
Allicon.png Allied Nations Sovicon.png Soviet Union Yuricon.png Epsilon Army Foeicon.png Foehn Revolt
Missions
Allicon.png Allied Missions Sovicon.png Soviet Missions Yuricon.png Epsilon Missions Foeicon.png Foehn Missions
Universe
Timeline and Lore Arsenal Skirmish and Multiplayer Misc
Changes from Yuri's Revenge
Allicon.png Changes in Allied Forces Sovicon.png Changes in Soviet Union Yuricon.png Changes in Yuri's Army Neutralicon.png Changes in Tech Structures
Old contents
Version 2.0 Version 1.2

External links

Recent news

Nikitazero Nikitazero 28 September 2018
4

About fan-made missions

Recently I've noticed about the popularity of fan-made missions for Mental Omega APYR. Though these missions are non-canon to the MO lore, they are quite interesting to play due to its own mechanics,…

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OllerusMO OllerusMO 28 September 2018
4

Mental Omega Chinese Wikia Announcement

Hello there. This time I'd like to announce the fandom project in Chinese MO community. Yes, there's finally a MO Chinese Wikia after one year's construction.

The Chinese wikia is bascially a translat…

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Nikitazero Nikitazero 24 September 2018
0

Patch 3.3.4. is here!

The 3.3.4 "summer patch" is finally released as Summer 2018 is about to end.

As before, you can download it automatically through the Mental Omega client, or if somehow you can't, the manual patch can…

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Nikitazero Nikitazero 3 April 2018
0

Say hello to our new admins!

Now that I've finally become the wiki's bureaucrat, I just want to announce that I have promoted Bot Rot and Arya Snow into the wiki's new admins and content moderators.

With that settled, the wiki's …

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Nikitazero Nikitazero 30 March 2018
1

Wiki overhauling and reform

Recently I was aware that the wiki's reputation being not that good, especially on MO's Discord community (thanks to Bot Rot who had told me such) who considered the wiki to be "untrustworthy". There…

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