We've been playing 30+ years and never run, but we haven't run lost mins either!Keep on the Borderlands, without a doubt.
Mainly because it has been around SO long, but also because people have run it in every edition, adapting it as necessary to the current edition. It is why Goodman Games made it the first 5E revival version.
I've run it in Basic, AD&D, 2E, 3E, and 5E. Just about every new game with new players get to go through it.
not sure, 5e has more players than the other editions combined… I lean towards LMoPKeep on the Borderlands, without a doubt.
Mainly because it has been around SO long, but also because people have run it in every edition, adapting it as necessary to the current edition.
another part of the series has it however, with PHB at 1.5M, Starter Set at 1M, DMG and MM at around 800kFor some hard numbers, Teos Abadía shared some data from BookScan, and from that found the top-selling 5e adventures were CoS, Waterdeep: Dragon Heist, Hoard of the Dragon Queen, Yawning Portal, and Saltmarsh. But there's a pretty significant gap between #2 Waterdeep: Dragon Heist and #1 Curse of Strahd.
At least from this part of the article, Lost Mines of Phandelver (Starter Set) was not included in the data.