Yeah, aside from the unfortunate lack of music, the Jaguar port of Doom was a damn fine piece of work.
The SNES port is also noteworthy for being something of a technical miracle.
The snes port was weird though the way they always faced you, you could never approach from behind plus missing floor and ceiling textures. Got the job done though. I guess the snes wolfenstein port is more impressive in someways as it was achieved without a SFX chip. Here's the megadrive and snes versions of wolfenstein compared. The megadrive version is quite impressive but is unofficial and very recent and only features the shareware level I think.
I wasted a lot of time on the snes version many years ago.
Yeah I own SNES Doom myself and have sunk many hours into its 15fps glory, haha. Interestingly, it doesn't use the actual Doom engine, but a custom engine designed by the guys who ported it, which they called the "Reality engine". Some steep compromises were necessary to get it running, but funnily enough it actually has some advantages over versions on stronger hardware; for example, the level designs are closer to the PC version, and its the only console version from the 90s to feature the secret levels, plus it has the Spiderdemon and Cyberdemon bosses that were missing from the 32X, Jaguar, and 3DO versions.
It's certainly a curious case, and definitely an example of a port that was considered impossible by many at the time.