Some changes with the higher level challenge runs
One thing that I noticed – while you're progressing in the game, everything becomes more expensive, and when I say expensive, it's because it's really expensive.
Buying resources are completely impractical, but even more shocking, the amount of crystals required to unlock slots in future buildings is insane – 895 crystals is equivalent to a total of 448 challenge runs, and grinding challenges like that is not fun, specially the higher ones that are way more difficult than the others (the difficulty of a challenge from turtle woods can't even be compared for a challenge from snow go, for example)
There is a way of solving both of these problems with only 1 change:
And that's making higher level challenge runs give more gems than the lower ones, in other words, challenges from the wumpa island would still give 2 crystals, but challenges from the ice warp island and from the other "fire" island would give 3 crystals instead.
This is really necessary since stuff like the cost of a 3rd slot in the oxide lab just by seeing the cost of previous buildings would be estimated between 1,295 and 1,495 – plus this is because there are plenty of buildings that are still with the message "coming soon" which is still unknown the amount of crystals that will spend depending of their features.
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