It's a little slow for an active game but if you added a feature to automatically re-enter quests once finished then this would make a great idle game.
It is an enjoyable game but ive noticed something else about the game that i have fun with... on a map with a lot of cogs and hearts i'll make a repeating and alternating pattern then after a couple hundred clicks i'll use Reset button and watch it like an annimation. i bet some people with more talent than myself could do some pretty fun things with that.
not bad.
id say a graphics update and more variety in the shop (its too easy to buy everything) and you would have a game of decent rank on sites like this.
keep up the good work.
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it's below your stats panel...maybe i should make it more attractive :)