| English: Sting: The Secret Operations | |
| Developer: | YNK Games, YNK Korea |
| Engine: | Source Engine |
| Platforms: | Microsoft Windows |
| Modes: | Multiplayer, Online Game |
Sting: The Secret Operations, also known as Sting: Secret Operations or Sting Online and abbreviated to Sting (Korean:스팅, Japanese release name: Code Name Sting, USA and Philippine release name: K.O.S: Secret Operations) is an online first-person shooter that is being developed by YNK Games and YNK Korea, and distributed by YNK Interactive. It is the first first-person shooter game using the Source Engine in Korea.