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In recent years I've rarely went out and stated what my predictions for an MMO even though most of my guesses (which I will state right now are based on experience, information given by the devs, or even the amounts given, and personal opinion, ergo they are in not facts) were fairly accurate (Hell I even predicted the TORtanic would be F2P within a year of launch after just one beta weekend) so I feel like sharing some predictions, getting allot of shills pissed off and maybe hearing some actual opinions back:
Games yet to be launched:
Age of Wushu: Gonna go the way of most more balanced MMOs (equal parts PVE and PVP) go these days: small group of dedicated fans if the current F2P system is maintained, if not it might actually blossom a bit more but overall not going to be a massive hit.
Archeage: If the developers step up their game somewhat this could end up the EVE of fantasy games (that may sound like a bold statement but EVE at launch only really had better designed money sinks in place and that's about it, everything else in EVE got put in with further expansions which could happen with Archeage if the developers do right by the game but this will take time, reckon at least 2 maybe 3 years if done right).
Neverwinter Online: Going to be the wet dream of any DnD fan that doesn't have a stick lodged up their ass about character customization and if Cryptic maintains their, apparent, heading with game development (this prediction is for 1 year post launch, regardless how they go about introducing new classes, cash shop or normal, they'll be available to all via trading for zen points).
Wildstar: A good example of a game who's hype initially fooled me but after digesting all the information offered by the developers I am going to have to say this game will likely fall beneath expectations of it... it's a themepark, a good one but still a themepark and it has very few places where emergent gameplay can occur ergo it in itself will likely be a game for those who like the universe/lore or the apparent focus on raiding but the content burn and the quality of the content offered will be a deciding factor as it, as a game, does not have the clout to gather a critical mass of players to it such as WoW did in its early days.
Destiny(yeah I am gonna touch on this one): While still very early on in production and with little information offered I can offer up one real prediction: If it is a console exclusive and they follow all their plans regarding its features it's going to flop fantastically because regardless of how good a game it may or may not be an MMO on a console just doesn't work as well as one on a desktop/laptop hell even on a phone or tablet regardless of what the next gen consoles bring (which by the sounds of things are leaning ever more towards the pre-built expensive crap computer,like Macs for example, than anything else). If they go cross platform (PC and console) then it will likely be a massive hit as the inertia of the PC market will keep console versions in the public eye far longer than they normally would.
Games that have been launched:
World of Warcraft: Will likely never actually die, sub numbers will drop to around 4-5 mil and stabilize again for years and possibly the only change which might occur is it going F2P if Titan turns out to be a P2P game (why not maintain it P2P? with it being F2P it'll draw a massive amount of people in and its quality would help to promote, indirectly, Titan).
World of Warcraft's clones(both innovative or cookie cutter): Will continue to be either marginally profitable or even decently profitable in F2P format for to foreseeable future as their communities and decent deals towards players (for the most part, SWTOR doesn't count here as it is not even remotely a decent deal for what it offers should you pay anything) will keep their inertia up.
EVE-Online: Will likely to continue to grow if the post-Incarna development priorities continue even if a vocal misinformed minority of players regard the PVP or the skill system to be disadvantageous towards their playstyle.
Pre-WoW MMOs (Everquest, Runescape,UO,etc): Will likely continue to exist in official form for the foreseeable future unless their publishers fold and take the IP/code/servers with them (read: EA).
Sandbox and Themepark: The two genres will eventually combine to supply the best MMO experience possible for the largest audience while also maintaing emergent gameplay (territorial wars in lawless/wilderness areas, meaningful crafting, player driven economy,etc), likely with a PVP system similar to EVE but likely more strict, which will help developers with the content/feature/iteration death march any MMO demands.