Level 15289

Hello @Paula-18 I am genuinely very surprised you have got this far and still think every level should be passable within the amount of moves given or without boosters? I gave up on that theory when I got to level 14,000. Few of my levels above there can be passed without (often multiple) UFOs or a party popper or two. There are a few easy ones, but they are not legendary! So for the record, here is how I just passed it, but it certainly wasn't without boosters. I played all three starting boosters. I think this triggers a different algorithm to the one if you play no boosters. So at this level range I always play all the starting boosters.

The key seems to be to play wrapped or striped candies to break through the ice layer. Here the game gives me a lucky break and I get another soon after:

After this I am still being held up, but this does not surprise me as it's a legendary level at the 15,000+ range. So here I am, one UFO away with my last move:

I did play the UFO and passed.

So to answer your question: No, I did not pass this level without playing boosters. But I did pass it using the three starting boosters plus one UFO.