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In 2021, a widely undocumented easter egg during the "Enter the Battle Dome" mission in "The Umpire Strikes Out" level in the Rocket Channel was uploaded to YouTube. When the player reaches the purple energy tower, you will need to climb the tower up to the square platform area with two air tanks on it. Just to the right of those air tanks, an invisible path marked by vague star textures and small red lights will appear in view once reached, leading to a hidden area with a floating metallic cube featuring a photo of programmer Evan Wells behind a blue background. Like the production baby cameo found in the same level, the object will slowly spin around showing the photo on each side, can be jumped on, and can be destroyed with Gex's attacks.
Contributed by MehDeletingLater
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In 2020, a widely undocumented easter egg near the start of "The Umpire Strikes Out" level in the Rocket Channel was uploaded to YouTube. From the level's checkpoint, there is a platforming section consisting of floating metallic walkways. If the player karate kicks from the second walkway into the abyss, you should land on a mostly invisible platform, only marked with vague star textures and small red lights. Going south of the platform will lead the player back to the start of the level. If the player goes north, mindful that you jump over a hole in the platform on the way there, a small area can be found that contains an oxygen tank, some crates, two Green Fly TVs, and a floating metallic cube with an image of a newborn's face on two sides. The cube will spin in place slowly unless the player destroys it with Gex's attacks. The cube even has some collision that allows the player to jump on top of it. It's unknown who this infant is, but it is presumably a production baby raised by one of the game's developers.
Contributed by MehDeletingLater
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At the end of the game, Nikki from the Pandemonium series can be briefly seen in Gex's hotel bed.
Contributed by gamemaster1991
In the American release of the game, Gex is voiced by comedian Dana Gould. However in the European release of the game, Gould's voice was replaced by that of English actor Leslie Phillips, who provided a very different, more cultured and refined variation of the character.
Contributed by EnoRed