I really like this concept. I struggled to understand the build mechanic at first, and ran out of time resulting in a weak boy, but I got the hang of it. Being able to trash the shapes felt a bit weird, not sure what exactly felt off there, but the act of dragging them all the way over to trash to fish for a shape that worked, but then you're also running out of time. It's a stressful little loop.
The combat, I wish it was a bit more clear which one was mine? I'm colorblind so its hard to differentiate the colors, and I don't think there was any indicator as to which blobbo was mine to begin with.
All of that aside, this felt really fun, there's something here, and it works well, just some polish and I could see myself putting hours into this