MGO3: Save Space by Deleting the Singleplayer Content

To do this, follow this guide this guide from MGS5's PCgamingwiki[www.pcgamingwiki.com] on how to make an MGO3 shortcut.

Right Click on METAL GEAR SOLID V: THE PHANTOM PAIN in your Steam Library

Properties>Local Files>Browse...

Delete the "master" folder and "mgsvtpp.exe"

and you can launch MGO3 only via the shortcut.

No MB Coin login, no FOB, no singleplayer

If you don't like MGO3, you can delete the "mgo" folder and msgvmgo.exe instead lol

To redownload Singleplayer back, Verify the Game's Integrity