One of my favorite little things that people don't usually talk about (probably because it's not easy to find) is Leon's alternate outfits for Darkside Chronicles. It doesn't look like much footage of the gameplay/cutscenes with the costumes exists, but I managed to find a few stills and a video with one of them. The main two for Leon are his biker costume and his detective costume. They also had his "agent" costume (RE4 skin) as well, but that one's not really a new look for him since it just recycles his previous design.
Interestingly enough, with his biker costume, his dog tags were visible!
The detective costume has a matching one for Krauser during the Operation Javier segments. It seems to be some sort of stylistic nod to what I would assume was Miami Vice since they wore similar outfits in the show, but that's just my own speculation since it doesn't seem to have been confirmed anywhere.
