Windows MMORPG HD Client Reverse Engineering & Compatibility Project

Windows MMORPG Client Modernization Project I have two compiled Windows MMORPG clients without source code. Client A (Non-HD) works perfectly with my server. Client B (HD) belongs to another server that is now offline... (Budget: ₹12500 - ₹37500 INR, Jobs: C Programming, C++ Programming, DirectX, Game Programming, Reverse Engineering, Software Architecture, UI / User Interface, Windows API, Windows Desktop, x86/x64 Assembler)