Occasionally, map bugs allow players to "see" or shoot through textures that weren't intended to be penetrable. Using these is often considered a violation of fair play.
October 2023 Subject: Technical assessment of the phrase "crossfire crack walls" crossfire crack walls
In construction, "crossfire" is not a standard term, but it may refer to or cross-cracking caused by tensile stresses. "Crack walls" refers to the faces of a crack in a concrete or masonry structure. Occasionally, map bugs allow players to "see" or