This method changes player models to a solid, bright color (like neon red or blue) that remains visible through walls, making them impossible to miss against the environment.
To understand the CoD2 wallhack, one has to understand the “honor culture” of 2000s competitive FPS. Unlike modern games with ranked matchmaking, CoD2 was about community servers and clan ladders (TWL, CAL, ClanBase). Cheating was considered a capital offense. call of duty 2 wallhack