Cheat Engine is a software tool that allows users to modify the memory of computer games and other programs to cheat in them. With version 6.2, users can scan for variables such as health, money, or ammo, and change their values to their desire. The software also includes a debugger, disassembler, assembler, speedhack, trainer maker, direct 3D manipulation tools, and a system to bypass anti-cheat mechanisms. Cheat Engine is primarily used for single-player games and is not recommended for online multiplayer games.