Interesting idea. I agree with the others that it needs a slightly better on-ramp. I was confused for awhile trying to figure out how I was supposed to play. But enjoyed it when I figured it out!

Interesting idea, but gameplay would always get chaotic suddenly. Adding a slowdown mechanic of some sort would be nice.
Also I still don't understand the condition for losing

This is quite interesting, but the learning curve is pretty steep. I'd have two suggestions:

1. Give the player control over when the numbers are placed on the line, so there's more time to plan.

2. Start slower. Maybe at first only with + and -1, then introduce a new number like 2 or 3, then introduce multiplication, and after that, powers of two. After that, you can start with two numbers at once. Right now, it’s a bit overwhelming and fast... at least for me.

I like it because of its creativity. I think it has good potential :)

THIS IS ACTUALLY SO FUN

Pretty creative idea, i feel like what the game would need most is some sort of tutorial, it took me a few minutes to figure out what was going on, the multipliers replacing what was in a area added a neat level of strategy, but I also don't understand why numbers would just fall randomly

Nice game!

I really love the idea. :) It took me a while to understand the basic concept of the game, although I still haven't figured out why or when numbers will fall down or what "X -1" does. Apart from that I really enjoyed playing. :)