Hexen: Deathkings of the Dark Citadel gameplay, played and recorded with DOSBox. This add-on was a real pain in the a** to get working in DOSBox. First had to patch the original Hexen to v1.1 but the patch refused to install ('The date of HEXEN.EXE does not match the date I'm looking for.' So, I had to rename RESOURCE.1 to RESOURCE.EXE and run it. This gave me two new files called PATCH.EXE and PATCH.RTP. After this I ran the PATCH.EXE.

It gave an error message (error ept0036. Cel Mai Bun Program De Facut Muzica 2012 here. , obviously my version of the game wasn't compatible with this patch) but HEXEN.EXE and HEXEN. Quantum Fx Rem 100 Manual on this page. WAD were both succesfully patched before the error interrupted the patching process. Now the add-on worked and if I had the Hexen CD mounted the game used the CD-audio from the original game. Without the CD the add-on doesn't have any music although I think it's supposed to play the MIDI music from the original game. There is also a second patch that has something to do with the CD-audio (dkpatch.zip, 'Redbook audio now plays correctly.' I don't know if it's necessary to use this patch since the CD-audio was already working with my game but I applied it anyway. Again, I got the error message 'error ept0036: etc.'

But HEXDD.WAD was succesfully patched before the error, so I think it did whatever it was supposed to do. And the add-on worked after this with CD-audio like before.