5 stars: This game's main flaw is that it's too addictive, striking the perfect balance between being simple to play and yet also challenging. It seems when sound is off, there are no notifications at all - so important messages can be missed during a game. I would like to see a list of my previous scores, to see if there's any improvement in my approach.
5 stars: Everything is great about the game, except now, I can't log in into my profile and see my high score, and it doesn't keep my score. I got a new phone, downloaded the app again and it just restarts every time I play it :( great game though! But doesn't keep my score and doesn't log me in, there's no button to sign in anyways :(
4 stars: A game distilled down to a very refined puzzle that isn't unnecessarily burdened by UI distractions or graphics. It just does a very good job of being the geometric puzzle that it is. Ads are unobtrusive, at least until you complete a game. My only complaint is with the sound effects which I personally find obnoxious, at least I can mute them.
3 stars: I love this game. I've been playing it for years, however it can be incredibly frustrating. Not because it's hard, but because OFTEN I am shoved out of the game play after using the 3 game pieces provided only for the game to give me 3 pieces THAT I CAN'T PLACE, instantly ending the run, no matter how far I got. It's really bad when you're in the middle of a good run (several thousand points) and suddenly you instantly lose....