Cheating in video games has a long history, and its arc — from harmless fun to a funded industry — explains why modern anti-cheat looks the way it does.
The cheat-code era
In the beginning, cheating was sanctioned and often printed in the manual. Single-player games shipped with cheat codes — type a sequence, get infinite lives or all the weapons. These were not a problem: there was no one else in the game to be unfair to. Cheating meant a player choosing to change their own private experience. The idea that cheating could harm others did not yet apply.
Trainers and the shift to multiplayer
As PC gaming grew, trainers appeared — small programs that modified a running game's memory to grant advantages. Still mostly single-player, still mostly harmless. The real shift came with online multiplayer. Once players competed against each other, a modified game was no longer a private choice — it was an unfair advantage taken from real opponents. Cheating became a fairness problem, and anti-cheat had a reason to exist.
The arms race begins
Multiplayer cheating drove the first anti-cheats — scanning for known cheats, reviewing reports, banning offenders. Cheats adapted, anti-cheats adapted back, and the arms race that defines the space began. Each side pushed deeper into the system: cheats moved toward the kernel to hide, and anti-cheats followed to the kernel to find them.
The modern industry
Today cheating is, at the serious end, an industry. Cheats are products sold by subscription, continuously updated by funded developers. The countermeasures have grown to match: kernel-level anti-cheat, machine-learning detection, hardware attestation, legal action against cheat sellers. The harmless cheat code and the modern cheat marketplace are barely the same activity — they only share a name.
The takeaway
Cheating went from a printed code that harmed no one, to trainers, to an unfair advantage in multiplayer, to a funded industry locked in an arms race with kernel-level anti-cheat. The history explains the present: anti-cheat is as deep and aggressive as it is because cheating became something far more serious than where it started.