Prince of Persia: the Lost Crown was probably the best Metroidvania I’ve ever played. A lot of critics agree.
Ubisoft dismantled their team after they didn’t meet sales expectations.
The game itself was amazing and made its way onto a lot of Game of the Year lists. If it underperformed, it was either a failure of their marketing department, or a failure to set realistic sales goals.
talesofgames.com/…/barkley-shut-up-jam-gaiden
This is the developer’s website. It’s not an SNES ROM and it’s perfectly legal to download. I believe they made it in RPGMaker.