Definitions for "Wallhack"
Cheat A form of cheating where a program is loaded which enables a player to see through walls. Walls often appear ghostly and transparent.
Cheating software that makes walls and structures transparent, so players can see the location of their enemies at all times. Players caught using such software face being banned from the Xtra Games service. See also: Hack, Punkbuster.
A method of cheating where the player can look through walls and objects. This is mostly done in multiplayer games, where the cheating player is getting a significant advantage by seeing the through the walls. The wall-hack is often performed by replacing a graphics driver.