Hmm, I'd guess that difference isn't significant for the vast majority of players. And for those that care, the greater depth of Threes is surely an advantage.

Hmm, I'd guess that difference isn't significant for the vast majority of players. And for those that care, the greater depth of Threes is surely an advantage. I think 2048 became more popular because it was a) on the web, and b) free, whereas Threes was only on the iPhone and cost a few bucks. Oh, and c) the OP, to give him his due credit, did a really nice job with it! It had the same kind of simplicity and virality as Wordle.