That's what it is really, and very faithful to the original. It was made by disassembling the original and translating the parts specific to old PCs into their Win32 equivalents:
http://www.abadiadelcrimen.com/script.html
The original version for PC was CGA and this one has 256 colours. It has improved sound too. Otherwise the workflow of the program isn't similar, it's exactly the same, that is it's an exact replica. It even displays the defunct company in the logo just like the original.
These are the two versions:
Original, direct download:
http://geocities.com/la_abadia_del_crimen/abadiapc.zip
from
http://www.geocities.com/la_abadia_del_crimen/
Remake, direct download:
http://www.abadiadelcrimen.com/downl...dia32_2008.zip
from
http://www.abadiadelcrimen.com/
Notice there were also releases for Amstrad CPC, MSX and ZX Spectrum, which you can download from the Geocities webpage.