Red Stone (Korean: 붉은보석) [Romanization: Beurg ngeun bou sog] is a 2D massively multiplayer online role-playing game (MMORPG) developed by L&K Logic Korea.
When the information about Red stone was first released, The game was supposed to be a single-player RPG that the player should choose one of several characters and be proceeded with the story.
And then there was no news for a while, and then all of sudden, it was released as Online MMORPG game which had almost different concept from what it was at the first place.
Red stone features the combat between the player and the monster using various skills along with the transformation system.
Classes that transform include Magician / Werewolf, Priest / Fallen Angel, Necromancer / Devil, Princess / Little witch, Maid / Demon sorceress, and Musketeer / Alchemist .