Ragnarok online is a massive multiplayer online role-playing game or MMORPG. It has a series of maps each of which has its own terrain and native monsters. The monsters cannot travel from one map to another. All players start in Rune Midgard. The player has to choose a job which decides his abilities or power.
There are a lot of online servers for the game. AmboiRO is one of them. This is a freeware and you can register on the server free.
Swisslog for Windows
