This post will provide a list of thread created under the MMORPG subforum. Only ONE main thread will be listed here for each MMORPG.

Quick definition:
F2P - Free to Play (Pays nothing to access, usually adopt microtransactions buisness model)
P2P - Pay to Play (Pays activation/monthly fees to access)
T2P - Time to Play (Pays using in-game currency to access, which you earn through spending your time in the game, usually involves monthly fees)

F2P
Microtransactions available
Aura Kingdom LYN thread
Avatar Star LYN thread
Blade & Soul (CN) LYN thread (Confirmed)
DC Universe Online LYN thread
Digimon Masters Online LYN thread (Confirmed)
Dragon Nest (SEA) LYN thread (Confirmed)
DUST 514 LYN thread (Confirmed)
Elsword LYN thread (Confirmed)
Firefall LYN thread (Confirmed)
Granado Espada Online LYN thread
Knight Online LYN thread
Lineage 2 LYN thread
Lord of the Rings Online LYN thread
MapleStory (SEA) LYN thread (Confirmed)
Marvel Heroes LYN thread (Confirmed)
Mission Against Terror LYN thread
Neverwinter LYN thread (Confirmed)
Phantasy Star Online 2 (SEA) LYN thread (Confirmed)
Planetside 2 LYN thread
Ragnarok Online LYN thread (Confirmed)
Rift LYN thread
SMITE LYN thread
TERA: Rising (EU) LYN thread (Confirmed)
TS Online (Philippines) LYN thread
Vindictus LYN thread
Wakfu LYN thread
War Thunder LYN thread
World of Tanks LYN thread (Confirmed)

Open Beta
Kingdom Under Fire II LYN thread
Swordsman (NA,EU) LYN thread


F2P + P2P
F2P - free access, limited content
Defiance LYN thread
Runescape LYN thread


P2P
Initial purchase required
Plants vs. Zombies: Garden Warfare LYN thread

Initial purchase and monthly fees required
Elder Scrolls Online LYN thread
Final Fantasy XI LYN thread


P2P + T2P
Initial purchase and monthly fees required
Wildstar LYN thread (T2P option: C.R.E.D.D.)

Monthly fees required
EVE Online LYN thread (T2P option: PLEX) (Confirmed)


In Development
(F2P) ArcheAge LYN thread (Released in Korea and Japan version)
Cabal Online 2 LYN thread
Maple Story 2 LYN thread
Tree of Savior LYN thread
(F2P + P2P) Warhammer 40,000: Eternal Crusades LYN thread


*For an almost full list of MMOs (but without link to LYN community forum), you can refer to:
MMORPG.com

Please check the validity of the provided links for those who are much more familiar with the listed MMOs.

thank you for the list !