Mostly. While much of the user interface is the same as the NES there are a few differences (e.g. going back to the game menu).
The physical controller port is the same (which is good since I bought extension cords for the NES Mini controllers).
Retailer made a mistake, put 5 of them on the shelf. Had to get a manager to force the sale since they weren't "in the system" yet, but....I was able to walk out with 3.
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Don't have the link handy, but I looked into it earlier this year when I finally tracked down an NES Mini. It...
Caller -"Everytime I start a Pc game on my S24, playing on a external monitor, someone calls or texts me, n it kicks me out of the game." Customer Support - Click (hangs up)
I found it funny cause many many years ago, had a roommate in college that did this same dumbass branding of the school logo, but it didn't look anything like it after it healed. Just looked like a birthmark.