Gex 3: Deep Cover Gecko is an action-adventure game where Gex must rescue Agent Xtra from the clutches of Rez, a villainous character. The story follows Gex 's undercover mission to infiltrate various levels to find Agent Xtra.
The gameplay involves navigating through multiple levels, each parodying a different aspect of television culture. Players control Gex as he enters the levels through a television set and collects remote controls to progress to the next level.
Gex 3: Deep Cover Gecko was released on August 31st, 1999 for the Nintendo 64 console.