Since this addon - the last part of the SUM row- appeared, some time has passed. It has the "decay" of the licensing of Warner Bros. at EA no longer possible to play the game series on the EA server. Some still play on Hamachi or GameRanger, but not much ... I want you only (if still someone reads) point out that there is a fan that developed the so-called Edain Mod. This page has some members and is very active. The Edainmod is an extension to Sum2 ADH. This means that for Sum2 and the addon are required. The Edain Mod may well be seen as a SuM 3! The changes are at least as large as of Sum Sum to 2. There are lots of new people, units, powers, etc. The graphic was partially improved (though it still follow regular updates). The fan page also provides the ability to play over the Tunngle Edainmod. There are usually about 5-15 members simultaneously online - enough for a battle! The site is the following:
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For those who still have interest in the game, it's worth a try!