Raining Blobs is described as a "pure arcade, super addictive, challenging, falling blobs, hardcore puzzle game," perhaps something like multiplayer Tetris meets Doctor Mario.
It usually costs £3.97 on itch.io, but you can pay what you want on IndieGameStand for the next few days. Click here to buy! >>
I can't personally vouch for quality here, but you can pay what you feel it deserves and what you can afford. You'll get a DRM-free Windows download since the title is currently in Steam Greenlight.