question, will someplaces combo if completed in a certain order or revisited example completing knothole and then going to cocoa island open up things like hypnovisors being added to the machine pool. also what kind of expansion can we excpect in chemical ocean? i've seen that used to also refer to weight gain.
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The mandatory Erogenous Zones must be progressed in order. However, you will be able to move to the next Erogenous Zone without having to clear the temple itself. In current plans, clearing the temples is only required to challenge the goddess.
The optional Erogenous Zones have no particular recognition of order, except that each is reached from a particular mandatory Erogenous Zone (which are ordered.) I have no hard plans for any of these optional Zones and may change what their kinks are. If it turns out that particular "combo kinks" are worthwhile, these would be unlocked by unlocking all of the kinks that comprise them.
Whether expansion as applied to the player is "growth" (added mass) or "inflation" (pressurization), or both, has not yet been decided. However, it will primarily affect the sex organs. Current plans are that the player character can see permanent alterations, but other characters can only be altered temporarily.