This game is "Gex 3: Deep Cover Gecko" on the Sony PlayStation 1. This action-adventure platformer is part of the Gex video game series published by Eidos. With a Teen rating, players can expect an exciting gameplay experience as they navigate through challenging levels and complete various missions in this captivating demo. Perfect for fans of the genre and those looking to explore the unique world of Gex 3: Deep Cover Gecko.