GTA publisher teases more sequels – what could they be?

GTA publisher Take-Two Interactive has revealed it has it has some juicy projects in the works, which includes making a return to some of its more popular game franchises.In the company's latest financial statement it states that Take-Two Interactive has its "strongest development pipeline in its history, including sequels from our biggest franchises as well as exciting new IP". But what game series could the publisher be revisiting?
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