I want to like this game. It's not even bad as a Q*Bert game! It's got the whole original arcade Q*Bert in here! Here is why I don't:
It controls like crap and it makes you grind.
I'm not talking about the gems, even, which you collect here and there to unlock different skins for Q*Bert. Those are silly and a harmless bonus. It's the stars. See, when you begin a set of stages, you see three objectives. "Complete the stage", "Complete the stage under (time)", and "Complete the stage with (score)". Finish one of them and you get a star, it shows you on the stage select screen how many of the 3 you have on each stage, and how many you have overall.
You need to have X stars to continue on at various points. You will not have X stars if you just beat each world. This is not a problem if you're talented, EXCEPT... you only get one star per run at the world. You can hit all three goals, and it does not care - you're going to have to play it three times for three stars. So you're stuck re-running stages you've beaten already and it becomes a real chore. These gates are pretty regular! There are 5 out of a 36 stage map. I got to the second and went "I'm out".
The other problem: this game uses the mouse to control Q*Bert. Only the mouse. If there is any other single button or input option, I never found it/got it to respond. It ALMOST makes sense, because of the isometric perspective + hex-based structures in the game, except for the fact that it's just such a pain to have to trundle around with clickclickclickclickclick. You can't even hold the button to make him follow. This will also apply in the emulated "Classic" mode, too, so don't think you're free of that there. (edit: I have since discovered that somehow, the base installation came with the buttons unset for me. There is in fact a keyboard control scheme/way to make him follow a held mouse, even if you have to close the game and reset it to activate it - no in-game options screen at all. The latter is super-risky if he misinterprets which way you're pointing and flies into the void, but this gripe is something I was wrong about and I leave the proof of my idiocy here.)
Bottom line is, the game as a whole is way over the line past "acceptably janky" into "it all works, but it works WRONG" territory. Please don't buy this.