The Gex Facts Channel(leaving x by the end of oct)さんのイラストまとめ

It speculated that the 2003 Xbox game whiplash might be a Spiritual Sequel to the gex series it started started when Eidos lost interest in the gex ip and wanted a new one
It had the same key developers and having the same tone and humour

Early title screen for gex 1

Gex outsold the Persona series
Persona: 13.1 million units(2020)
Gex : 15 million copies