The game is so damn glitchy after the update....I can't see the managers screen on the moon, when i go to buy angel upgrades after a reset on earth, i can't only buy a few, and then later on buy a few more....this update is junk!
Suggestion: Auto-Sell button, where everything you mine is sold automatically. so when your mining for gems with Overkill you don't have to worry about selling all but highest 3 then click the other 2 you don't want. before you intend to go back you can simple click the auto-sell, and anything that's mine on your way back to mine for gems can be sold instantly
I think if you add some type of problem solving aspect to it, like ramp over this, roll under that, hit another ramp, get to an objective this will be a very fun game.
Suggestion: Make it more exciting, I.E. More levels, and some incentive for doing the levels, and not just focusing on autoplay.....epic bosses that drop unique items.....
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 "Reach the core"){kind=icon}
 "Idle Raiders"){kind=icon}
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 "MineQuest"){kind=icon}
 "Ramp Lab"){kind=icon}
 "RobotPet"){kind=icon}
 "GemCraft Labyrinth"){kind=icon}
 "City Siege 2"){kind=icon}
 "Race & Dragrace"){kind=icon}
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 "Waterfalls 2"){kind=icon}
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 "Toss the Turtle"){kind=icon}
 "Learn to Fly"){kind=icon}