>>29786
It could still be if it takes place before the Rebel base was set up on Nar Shaddaa or if it takes place in the 5 year gap between Endor and the Dark Empire. And despite the Imperial presence there, you could still get away with a lot of criminal shit more so than most other parts of the galaxy as long as you stayed clear of heavily monitored areas, which is what Kyle Katarn didn't do. And Han and Leia were enemies of the empire so naturally they would go after them. I doubt the Empire would actively try to piss off the Hutts without the Death Stars.
>similar in setting to either Tatooine or Nar Shaddaa
So an outlaw den and/or a casino world? Many places in the Outer Rim (and Mid Rim worlds closest to the Outer Rim) fit that description. But entire casino/corrupt planets like Nar Shaddaa are a bit rarer. Although there was Sleyheron which was also owned by the Hutts and was mostly city with some minor volcanic activity that was under control. They had cities, corruption, slave trade, smugglers, anything really. So its a good Nar Shaddaa substitute with a darker sky. There was also The Wheel, a massive space station with nothing but casinos and cities, and despite having a small imperial presence, they were mostly left to their own vices if you knew who not to fuck with.