The Canadian Encyclopedia — neutral, cited, updated
September 11, 2026Sources cited
Canadianwire.
Canada’s encyclopedia & explainer
Home›Entertainment›Video game›Gex
Entertainment • Video game

Gex

Gex is a 1995 platform video game developed and published by Crystal Dynamics for the 3DO.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated September 11, 2026|2 min read| Fact-checked

Gex is a 1995 platform video game developed and published by Crystal Dynamics for the 3DO. It is the first game in the Gex series and introduces Gex, a television-obsessed anthropomorphic gecko who travels through the Media Dimension to defeat Rez.

Gameplay

Gex is a side-scrolling platform game in which players control Gex as he moves through themed levels in the Media Dimension. The gameplay centres on platforming, exploration, and defeating enemies while progressing toward the final confrontation with Rez.

Development and release

Crystal Dynamics developed and published Gex for the 3DO in 1995. Later versions were ported to the PlayStation and Sega Saturn by Beam Software, and a Windows version was published by Microsoft.

Series context

The game launched the Gex series, which later continued with Gex: Enter the Gecko and Gex 3: Deep Cover Gecko. The character also served as a mascot for Crystal Dynamics for a period in the late 1990s.

Character and setting

The game’s protagonist is Gex, a wisecracking, television-obsessed gecko. The setting, called the Media Dimension, features television-inspired worlds and centres on Gex’s conflict with Rez.

Key facts

  • Gex is a side-scrolling platform game released for the 3DO in 1995.
  • It was later ported to the PlayStation, Sega Saturn, and Windows.
  • The game follows Gex through the Media Dimension, where he fights the villain Rez.
  • Gex is the first entry in the Gex video game series.
  • The character Gex became a mascot for Crystal Dynamics for several years.

Frequently asked questions

What is Gex?
Gex is a 1995 platform video game developed and published by Crystal Dynamics for the 3DO.
Is Gex part of a series?
Yes. Gex is the first game in the Gex series.
Who is the main character in Gex?
The main character is Gex, an anthropomorphic gecko who is obsessed with television.
Who is the villain in Gex?
The antagonist is Rez.
What platforms was Gex released on?
It debuted on 3DO and was later ported to PlayStation, Sega Saturn, and Windows.

References

  1. Wikipedia — https://en.wikipedia.org/wiki/Gex_(video_game)
    Supports: Original release year, developer/publisher, platform, ports, and plot premise.
  2. Wikipedia — https://en.wikipedia.org/wiki/Gex_(series)
    Supports: Series membership and Crystal Dynamics mascot role.
  3. Wikidata — https://www.wikidata.org/wiki/Q500325
    Supports: Series classification, genre, platform, and single-player mode.
  4. Wikipedia — https://en.wikipedia.org/wiki/Gex:_Enter_the_Gecko
    Supports: Series context and later franchise entries.
  5. Wikipedia — https://en.wikipedia.org/wiki/Gex_3:_Deep_Cover_Gecko
    Supports: Later series entry and franchise continuity.