Seeing as the forums haven't been super active, I say we do had a currency/shop system, like Plasma mentioned. Each post gives you around 5 currency, and adopting has a fee of 20 currency. This way, people will have to be active if they want to adopt a Pokemon. And the shop should have Rare Candies, which costs 500 currency and raises the level of a Pokemon by 10 (if it was 1, it wouldn't be worth it), Lucky Eggs, which gives each click on a Pokemon 2 rather than 1 and costs 2000, and there should be other various items that I can't seem to think of.
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