Tommy Glide of "GamePro" highly praised "Gex", stating that he "sets high standards for all future 3DO platform-hoppers" and predicting that the character would reach popularity levels similar to Sonic and Mario. "Next Generation" called it "one of the most solid and enjoyable side-scrolling action games in a while." "Electronic Gaming Monthly" gave the game their "Game of the Month" award. The game was awarded "Best 3DO Game" at the 1994 Consumer Electronics Show by "GamePro" and "Best 3DO Game of 1995" by "Electronic Gaming Monthly".