Here's the file for Circadian Offset.
Thank you for downloading and playing Circadian Offset.
READ THIS BEFORE PLAYING: Doomworld.com
1. Download GZDOOM's latest version here: Zdoom.org (mod was tested on version 4.7.0)
2. Grab your DOOM2.wad and place it in the same folder as your GZDOOM folder
3. Download Freedoom (only if you don't have a DOOM2.wad) and place it in the same folder as your GZDOOM folder Freedoom.github.io
4. Unzip Circadian_Offset_Full_Release.zip and extract it to get Circadian_Offset_Full_Release.pk3
5. Drag Circadian_Offset_Full_Release.pk3 onto the gzdoom.exe
6. Play
cool