jpboivin CO2_CORE_DLL by: jpboivin .NET Standard 2.0 707 total downloads last updated 9/4/2018 Latest version: 2.0.0-alpha0 (prerelease) co2 tqdigital co2_core_dll cptsky Core library for Conquer Online 2.0 servers and tools. The library implements ciphers, file formats and utilities.