
In this game the player controls either Fred or Barney, switching between them by pressing the Select button. It is one of the rarest games to be released for the NES, and is possibly the second rarest commercially released licensed title for the console (behind Stadium Events). However, Gazoo doesn't help you in this game, instead you get two characters to play as. At its core, It follows the same gameplay formula: fred walks left-to-right, clubbing everything in his way, picking up power-ups and other items, then fights a boss at the end of a level transition between levels is presented by walking through an overworld map, which sometimes allows visiting non-obligatory sport-themed bonus stages. The game was never released in Japan unlike its predecessor The Flintstones: The Rescue of Dino & Hoppy. This is the second Flinstones game on the NES.

When they finally find them, a volcanic eruption blocks their way and so they start going all the way around the volcano to save their kids. Fred and Barney are searching for their children, Pebbles and Bam-Bam, who got lost.
