A cheat or cheating generally refers to either a cheat code that is hard-coded in the engine, or a separate or modified application (often called a hack or cheating hack) that allows a player to play with an unusual advantage. The following articles deal with the different types of cheats or cheat-related applications:
- cheat codes hard-coded in Doom and Doom II
- cheat codes hard-coded in PlayStation Doom
- cheat codes hard-coded in Heretic
- cheat codes hard-coded in Hexen
- cheat codes hard-coded in Strife
- cheat codes hard-coded in Chex Quest
- cheat codes hard-coded in source ports
- Cheating hacks
- TAS, or tool assisted speedrunning
- cheat codes hard-coded in Doom 3