.PK2 File Extension

Contains game data used by Silkroad, a massively-multiplayer online role-playing game (MMORPG) developed by Joymax, a South Korean company; may contain game graphics, sounds, music, etc; saved in a compressed and encrypted format.

Examples of PK2 files include Media.pk2, Music.pk2, Map.pk2, and Particles.pk2. Silkroad P2K files are not meant to be opened manually, but can possibly be edited with the XVI32 hex editor.