| 1998 | Established YNK Inc. | |
| 2004 | Founded YNK Japan. | |
| 2005 | Changed name to YNK Korea | |
| 2006 | Established YNK Taiwan. Launched YNK Interactive. |
|
| 2007 | Launched Seal Online | |
| 2008 | Launched R.O.H.A.N.: Blood Feud | |
| 2009 | Krazy Aces Beta K.O.S. Secret Operations Beta |
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| 2010 | Lauched K.O.S. Secret Operations R.O.H.A.N.: Blood Feud – Ronelia Expansion Rohan Blood Feud Hero Launch Seal Online : Eternal Destiny |
