P2E Games / NFT PlatformMuhandolpa Samgookji (Hero Blaze Three Kingdoms)Klaymeta (https://klaymeta.io/)

Dragon RPG: DragonVillage M is live on global platforms.Mobile games.* RhythmStar (iOS, Android)* Dragon Heroes (iOS, Android)* Hero Shooter (iOS, Android)* Muhandolpa Samgookji for Kakao (iOS, Android)* PuzzleBarista for Kakao (iOS, Android)http://www.perplelab.com

Feature Phone, Mobile games.http://www.anbgames.com

Social Networking Service and mobile games.Reallymet(iOS), Mento.me(iOS, Android), Toyplace(SNG)

Built a server framework to be used for multiple projects including MMORPGs, providing common features of TCP/UDP hybrid network module, database system using ODBC, async-select model and I/O completion port model, thread free pool, script system, mobile billing system, code re-use, templating in C++. Developed cross-platform(Windows/WIPI/iPhone) 2D/3D game engine written in C/C++ with OpenGL ES. Designed and developed a physics engine for various genres games, and that was submitted for patents in Korea. Created and produced numerous award-winning games for mobile.

Led a team of ten programmers as Lead Programmer. Built reliable UDP network module in C and wrote database communication codes using ODBC API. Designed and developed patch client and server using FTP protocol. Designed database schema and tables with MSSQL 2000, distributed server system. Implemented AI, A* path-finding, message system, game logic including item, guild, PVP system, and etc. Developed custom script and its compiler for AI, and created client UI using DirectX. Designed and implemented custom tools including character animation file viewer and compiler in MFC. The simultaneous login count was 15,000+ in four servers from Korea, and 30,000+ in ten servers from China, 10,000+ in five servers from Malaysia. (2003)