For those having trouble with the medals, here's what worked for me.
First, when the game awards the medals you actually don't get them (for some reason). But do pay attention to the in-game "award" signal.
Next, reload the page (F5 probably works). You must do this.
Finally, play the game again, doing the exact same things *again* to earn all the medals *again* except this time without the in-game "award" signals.
After that, wait about a minute or two and *then* click on the medals individually to see if it gave you them and I'm thinking it probably did at this point.
Why 1 star? I mean come on we have a million clickers already and this doesn't distinguish itself from the others in any meaningful way. Even the medals award in a very irritating way and not automatically as they should.