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What is your suggestion?
Spreading the use of wollars among other airports or allowing more flexibility
How would it work in the game?
As there are many playable airport in the game, each airport will need wollars for players to buy planes or other use. However, once the airport reach the highest level, the wollars have no use even the player keeping rolling more and more. Therefore, allowing switching some wollars to other airports will be a good way. On the other hand, allowing wollars to be used on buying the number of workers will also be a good way to spend.
Why is this a good idea?
It will increase the flexibility of the use of wollars not only on buying planes but also can be used in other ways