
1) Sega Saturn game 2) Video game franchise 3) Video game mascot 4) Windows game
Found on
https://www.crosswordclues.com/clue/gex
[video game] Gex is a platform game originally released for the 3DO in 1994. Versions of the game were later released for the PlayStation, the Sega Saturn and Microsoft Windows. It was a pack-in game for Panasonic models of the 3DO later in the console`s life. It is the first game in the Gex series and introduces players to the titular char...
Found on
http://en.wikipedia.org/wiki/Gex_(video_game)

Gatwick Express
Found on
http://www.encyclo.co.uk/local/21542
No exact match found.