I've spent unhealthy amounts of time playing 2048, and so far the best strategy I have come up with is never swipe up unless absolutely necessary and even then

I've spent unhealthy amounts of time playing 2048, and so far the best strategy I have come up with is never swipe up unless absolutely necessary and even then swiping up will likely cause the game to end in the next few moves (unless you get lucky and resolve the stuck block in some way)