Team Fortress did. Then, Valve bought it, redid it in the GoldSrc engine and called it Team Fortress Classic. TF2 itself was not a mod.
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It's not a Playstation 4 or the Xbox One. That's the main reason.
I've played the first stage, and it's pretty fun. But I'm perhaps most impressed by the music, which not only sounds like authentic NES music but IS actual authentic NES music. Virt's made an NSF of the soundtrack available.
I'll have more impressions of the game when I have more time to sink into it, but for now, do listen to that glorious 2a03 music.