RetroMMO supports most modern browsers with the web client. There is also a standalone desktop client.


RetroMMO is on a temporary hiatus from receiving new updates. In the meantime play RetroGaiden, an actively developed spin-off built in the RetroMMO game engine. RetroGaiden is created by Blake Bays, also known as fruloo.

RetroMMO browser client

RetroMMO desktop client


  1. Download the correct version of the client for your operating system.
  2. Extract the contents of the zipped folder into a new directory.
  3. Run "RetroMMO" executable.


Third party clients

The following list describes which third party game clients have been officially approved by RetroMMO staff for players to use. By using a third party client not on this list, or by using a different version of a client on this list than what is approved, you break rule 2 and risk your RetroMMO account's safety.