Why doesn't Nintendo make more sequels in the same console generation?

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Fireforgey said:
Wow a bunch of people taking about Nintendo sequels without them being called rehashed...What the hell am I on?

Well yes, this looks like a positive thread, finally. Maybe it will be a new record?

 

OP: To maintain the value in the IP. I believe Nintendo wants to release only one game per generation on each IP, that way they can expand their portafolio with. Problem for them is that not every IP sell in line of expectations, therefore recurrs to a sequel to obtain the lost sales.

I think the Wii series is the perfect example.