Based on DOOM & DOOM II Bethesda.net builds v7155 ISO release: 800 MB, thanks to Christsnatcher!
4 official Add-ons are included and activated
Original Ultimate DOOM and DOOM II with DOSBox emulators included as a tiny bonus, thanks to Christsnatcher one more time!
100% Lossless & MD5 Perfect: all files are identical to originals after installation
NOTHING ripped, NOTHING re-encoded
Significantly smaller archive size (compressed from 800 to 221 MB)
Installation takes a few seconds
After-install integrity check so you could make sure that everything installed properly
HDD space after installation: 800 MB
At least 1 GB of free RAM (inc. virtual) required for installing this repack