Region

Age of Empires Online

Regions:NA, EU
IP Block:???

Atlantica Online
Regions:NA, EU
IP Block:???

Battlefield Heroes
Regions:
IP Block:

Champions Online
Regions:NA
IP Block

Continent of the Ninth Seal
Regions:CN, EU/NA/SEA, JP,
IP Block:People from Asia can't access the American or European server despite them being in the launcher's option. Vice versa.

CosmicBreak
Regions:NA,
IP Block:

DC Universe Online
Regions:NA/EU
IP Block:

Dragon Ball Online
Regions:KR, TW, HK, CN
IP Block:

Dragon Nest
Regions:KR, NA, EU, CN, TW
IP Block:

Dragon Saga
Regions:KR, NA
IP Block:

Drift City (Skid Rush in Korea)
Regions:NA, KR
IP Block:

Dungeon Fighter Online/Dungeon and Fighter (in Korea)
Regions:CN, KR, TW,
IP Block:

Dynasty Warriors Online
Regions:NA,
IP Block:

Eden Eternal
Regions:NA,
IP Block:

Elsword
Regions:BR, CN, EU, ID, KR, NA, TW,
IP Block:

Global Agenda Free Agent
Regions:
IP Block:

Grand Chase
Regions:BR, ID, KR, LA, NA, PH, TH, TW, 
IP Block:

La Tale
Regions:KR, NA
IP Block:

League of Legends
Regions:Global?
IP Block:

Lost Saga
Regions:NA
IP Block:

Lunia
Regions:Global
IP Block:

Mabinogi
Regions:KR, NA
IP Block:

Maestia
Regions:
IP Block:

MapleStory
Regions:KR, NA, EU/BR, SEA, CN, TW, HK
IP Block:

MicroVolts
Regions:
IP Block:

Need for Speed World
Regions:NA,
IP Block:

Pandora Saga
Regions:
IP Block:

Pangya
Regions:
IP Block:

Perfect World
Regions:NA/EU
IP Block:

Phantasy Star Online 2
Regions:JP, NA
IP Block:People from NA can accesss the JP servers. Not sure about others. =/

PlanetSide 2
Regions:
IP Block:

Ragnarok Online
Regions:KR, NA
IP Block:

Ragnarok Online 2
Regions:NA,
IP Block:

RF Online
Regions:NA,
IP Block:

Rumble Fighter
Regions:NA,
IP Block:

Runes of Magic
Regions:EU, NA
IP Block:

Rusty Hearts
Regions:NA
IP Block:

S4 League
Regions:EU, NA
IP Block:

Tribes Ascend
Regions:
IP Block:

Trickster
Regions:
IP Block:

Uncharted Waters Online
Regions:NA,
IP Block:

Vindictus (Mabinogi Heroes in Korea)
Regions:KR, NA, EU
IP Block:

Warframe
Regions:Global
NOTE:To change servers, you must change the language of the game launcher.
IP Block:None