Solve A Lot2
Assistant Postman
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Nov-12-2017 13:29
I don't know the exact formula but as harder level cases become available you'll need more XP to gain skill points. After 100k XP you'll be able to play AI level cases and then you'll have to play more and more AI level cases to gain a skill point.
A good strategy would be to acquire those skills that need the most points first like research e.g.
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