Jet Kave Adventure — is an action platform developed by the independent Polish studio 7LEVELS, which in 2018 developed a similar game called Castle of Heart. Jet Kave Adventure takes us on a journey into an alternate version of the Stone Age. The alien, whose ship has been damaged, intends to cause a volcanic eruption on the picturesque island so that he can repair his ship. He can only be opposed by the title of Kave, the leader of the tribe that inhabited this part of the land, who was expelled by his own people. The hero accidentally takes possession of the jetpack by defeating the alien, he can return to the mercy of his people.