☯️ Metin2

Originally released in Korea in 2004.

Articles from 2004 (in Korean) that show screenshots from very early builds of the game and talk briefly about closed beta tests, before the game was officially released:
https://www.gamemeca.com/view.php?gid=120980
https://www.gamemeca.com/view.php?gid=49250
http://www.onlifezone.com/s1_game_news/7127054
http://www.onlifezone.com/s1_game_news/7128531