Dev: when you download and reload progress (i use it to switch computers), there is no offline progress, it starts as soon as it was saved even if real time has passed. It would be nice if there was a timestamp or something so I could load it and have some offline progress as well.
The payback on upgrading quest nodes seems too slow. For instance, my BOSS Rumble in the valley node is level 17, providing 1.34M - 1.42M upon completion. At level 18 it provides 1.42M - 1.50M upon completion, an increase of 80k per completion. It costs 47.16M to uypgrade.
So the math comes out like this: 47.16M upgrade cost divided by 80k increase in rewards = 590. So it would take 590 completions to make the money back. And this is one node and one upgrade. That seems way too high.
agree with most of the comments on here.. too much grinding. Also, I think it would add a bit more strategy if the levels were longer and moved faster and there was a module that added maneuverability/quickness
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Our next update should help address that - we're adding achievements and multipliers!