A wallhack is a type of video game cheat that modifies game properties to make walls and other solid objects transparent or nonsolid. This allows a player to see the positions of opponents or items that should otherwise be hidden.

Files named similarly to are frequently used as "honeypots" by cybercriminals to deliver malware. Everyone's Wrong about Kernel Anti-Cheat

: Developers use anti-cheat systems, such as EasyAntiCheat or BattlEye , to detect and ban accounts using these tools. The Dangers of .RAR Cheat Files

: The term "wallhack" has expanded to include various forms of Extrasensory Perception (ESP) , which provides visual information like enemy health, distance, or equipment overlays.