"La Abadía del Crimen" was a masterpiece that never left Spain in its original version. The first version was for CPC 128Kb, then it was ported to the rest of the computers. It was in Spanish, and as pgimeno said, there is no English translation other than a CPC one (fanmade) and the Steam remake (which is a cool game by the way, I like it more than the original).
I think Opera Soft (the publisher who bought the rights to the game from the original authors, Paco Menendez and Juan Delcan) lost a great opportunity to bring a great game to other countries, and one of the best opportunities to make the Spanish 8-bit game programming scene soar. This IBM PC version was quite popular at the time.
By the way, if you play the PC game (in Spanish, sorry!!!) and manage to get to the church service and the game is not original, instead of hearing a sampled "Ave Maria" song, the game plays a sample of "Pirate! Pirate! Pirate!" in different pitches and resets the computer. In Spain, I think all teenage MSDOS users have heard this at least once in our lives xDDD.