>>36782202pardon me
main
break
sequel
main
remake
sequel
main
break
sequel
main
remake
sequel
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sequel
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main
so new game every 3 years with 5 years of development in advance, also, which is important, global sales running this franchise, so it should be important to release sequels and remakes between main lines, due to the global sales [less work for the amount of the main titles = more moneys for development of the main games]
hope you understand my logic, they also could come up with the mini gens or paid dlcs