Gex Jr. (Jan 25, 2001 prototype)

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Title Screen
Gex Jr. (Jan 25, 2001 prototype)
Build date January 25, 2001
Build name Gex Jr. Demo Revised
Dump status Released, redump needed
Dumped by justz00t
Released by justz00t
File release date April 2, 2022
Origin CD-R
Labels ImageBuilder
Dump method CloneCD
Ownership justz00t
Game Gex Jr.
System PlayStation
Genre Platformer
Release date Unreleased
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A short demo of the unreleased and unannounced game Gex Jr. for the Sony PlayStation.


The Cutting Room Floor research
  • This prototype contains only one short playable level and repeats the level every time you finish it.
  • The level has a few soda cans that Gex Jr. can collect. Collecting one plays a gulping sound, but it doesn't show how many soda cans you've collected since the HUD doesn't exist.
  • Gex Jr's voice lines reference a few TV Shows, Movies, and Game Shows. These voice lines reference Teletubbies, Blue's Clues, Star Wars, and Who Wants to Be a Millionaire.
  • Gex Jr. has two unused voice lines found within the game's files. There's one where he exhales, (Would've been played if Gex Jr. collects a soda can.) and one where he shouts "Yikes!". (Would've been played if Gex Jr. takes damage supposedly.)
  • The Model Viewer cycles through Gex Jr's animations.


Use the D-Pad or the Left Analog Stick to move. While the shoulder buttons don't seem to have any function in-game - they do output text to the debug console like the current framerate, camera/character positions, etc...

  • Press START to open a model viewer.
    • Up / Down moves Gex Jr. up and down.
    • Left / Right rotates Gex Jr. clockwise or counter clockwise.


  • Press X to jump.
  • Press Square for tail spin.
  • Press Triangle to fart.
  • Press Circle for tongue attack.


  • Pressing SELECT causes the demo to crash. This was maybe used for crash dumping or crash testing.
  • Pressing any action button after completing the level freezes you in-place until you press START twice to reset.
  • Pressing the jump button in mid-air after falling off a ledge still makes you jump, but you just continue falling.

Developer Quotes

  • "We (ImageBuilder) had been working on breaking into the console game market, up until this time we mainly made CD Rom Edutainment titles for other companies like; Disney, Hasbro, Discovery Channel, Activision, etc..., these were for the most part 2D animated games sometimes with 3D rendered elements."
  • "DINO was a little fun game we put together to test out all our new skills with 3D."
  • "Our artists were all trying to learn how to build and animate characters using Maya."
  • "Dino was a little dinosaur character demo, like Gex Jr. The dinosaur character was very cute. As I remember, he roared and trotted around, possibly shot his tongue out as an attack like Gex."
  • "As far as Gex Jr, I'm not positive, but I don't think we were producing Gex Jr. for any company, but were making it in hopes of selling the idea."
  • "I don't really recall if Gex Jr. was a younger version, or Son, or what."
  • "As far as Gex f***ing... you did play the games right? Remember the babe Agent Xtra?... I'm just sayin."

Miscellaneous Notes

The previous dump of this prototype had some errors. A corrected dump of this prototype was made with CloneCD free from errors.

  • Game is emulatable: Yes (as of April 2, 2022).
  • Game contains dongle protection: No.
  • Game contains debugging symbols: N/A