I love the aesthetic and the color choice. I love that everything is gray (with a little hint of red or blue it looks like!) while the leaves are so colorful, it makes them really pop!
Really clever idea! There's a lot of room for interesting strategies here. I felt very zen just watching the tree slowly grow, pruning it out bit by bit. Except for the moment where I accidentally snip a crucial part of the tree and audibly gasp at what I've done. It would be nice to get some indication of what sections of the tree you're about to destroy with this snip.
I found it a bit hard to figure out how to influence growth on the exact part of the tree I wanted to grow. But I guess that's part of the game is to figure that out. Guess I just have to play more ;)