The physics aren't 100% what it feels like they should be, but the game is continuously updated, and has a lot of extra modes - including co-op. I was half expecting this to be Steam shovelware, but it's really not.
It's Suika, less cutesy perhaps but far more interesting gameplay-wise with all of the new different shapes and other modifiers. If you want to try Suika on PC then this is the game to buy.