Mode X is an alternative graphics display mode of the IBM VGA graphics hardware that was popularized by Michael Abrash. It was first published in July in Dr. Dobb's Journal, and republished in chapters of Abrash's Graphics Programming Black Book (now freely available online). The term "Mode X" was coined by Abrash. Xmodgames is a mobile game assistant app. It can help you cheat many mobile games including iOS and Android games, such as COC,Boom Beach and Minecraft PE etc. Come and find more game mods in . X games mode is when someone’s really good at skateboarding or not.. one could always use it when being sarcastic. Idk I saw it on a vine ¯\_(ツ)_/¯.