In order to play, you need to download Madness Official Client.
Download Madness Otclientv8 on Windows HERE.
Download Madness Otclientv8 on Android HERE.
How to connect and play:
Download and extract .rar File.
Open the folder extracted and open otclient_dx.exe(for directx client) or otclient_gl.exe(for opengl client)
Put your Account and Password and enjoy!
If the client cant start, missing dll files then
and install this file.