Machinegames, the development team behind the recent first-person shooters Wolfenstein: The New Order and its standalone prequel The Old Blood, have released a new episode of id software original Quake game to celebrate its 20th birthday this week.
Machinegames announced this surprise release on its Twitter account. The name of the episode is called DOPA, but there's no word yet on what that means:
id Software released the original Quake for the PC, in MS-DOS on June 22, 1996. Since then, the franchise has expanded to several more games. At E3 2016, id and its owners Bethesda Softworks announced plans to release a multiplayer-focused PC shooter, Quake Champions.
You can download the new DOPA episode for the original Quake at the link below in RAR format. You can then create a DOPA folder in your Quake directory and extract the PAK file from the RAR and place it in the folder. If you own the game via Steam, you will then need to right-click on the game, then go to Properties, and then Set Launch Options. Finally, you add the command line parameter "-game DOPA" and save. You should be able to start Quake and run the new DOPA episode automatically.
If you have never played the game, you can get it for a mere $2.49 during the current Steam Summer Sale.