Reverse Engineering

We are getting UYA back online

Join our Discord Community here:
See server status here:


  • Saturday, Jan 02, 2021: We are in closed Alpha.
  • Monday, May 18, 2020: we managed to provide a library for PS2 and part of PS3's Medius (SCE-RT) crypto open source! We also have an official Discord server now, check us out at Work has begun on the UYA MAS server.
  • Wednesday, May 13, 2020: we were able to identify how to authenticate using Medius Authentication Server (MAS) and get login credentials. We are now reversing the Medius Lobby Server (MLS). Server emulator status on hold until MLS is understood, just in case the flow needs to change.
  • Friday, January 17, 2020: The Journey begins. Reverse engineering has started. Documenting the Medius Authentication Server (MAS).