When you logg out, the game didn't autoclick. In may case, if i change the tap the game also stops. The solution is to open a new window only with the game and left the pc running.
Every time he proportion cost_upgrade/power and HP_defense/gold for stones is getting worse. Since the main three upgrades (Blacksmith, Autoclick power and faster) are multiplicative of each other it is possible to keep advancing quite fast. But now (I'm minig lvl60+ hellstone) I reached the maxim lvl of auto-click faster. Also, the auto-click power every time is less efficient. Now is very difficult to advance to the next stone.
The only option is continuosly craft better picks. Now I have a 150b power pick with 1400%. To obtain a 1500%+ pick I need like 20k gems and a lot of luck. It will be nice if I can auto-click the "craft new pickaxe" botton.
Unfortunatly, what BobetteM is not always true. I die into a planet that move towards me.
The problem is that you cannot see if you have a massive planet in front you untill its too late. Needs a map or a zoom out.
It seems like micromachines game for gameboy. I love that game, and I think this game is a good exemple of that kind of drive-games. The graffics are good. But its short and easy. It can be improve if we can costumize our buge spending money in one skill, and not just buying the next buge. And a option to fix the difficulty of the other buge could make the game more adictive.
Otherwise, I like it: 4/5 .