I've heard of the game, but not much. I had no idea it was that old until I saw the publish date on some of them (1981 on one, 2017 on another). That kind of longevity speaks volumes.
Also that there's a LOT of solo modules, which is awesome. And that many are authored by Michael Stackpole.
T&T was basically the second FRPG... ever.
The designer has been well-chronicled in the way in which is 'borrowed' from D&D and why he changed the things he did. The original localized self-published version was '75, I think.
There was a big push in the early- and mid-80s to make it the D&D alternative, and then 2nd Ed just crushed it underfoot.
The other problem T&T had was that it was never sufficiently differentiated from D&D the way RuneQuest was, where it never had the depth of the world that Glorantha had, and the class-and-level system was too similar to D&D.
