Esports Gaming Technical Glossary

VAC (Valve Anti-Cheat)

Automated anti-cheat system developed by Valve. Detects process memory injection. Driver-level LUA mouse scripts do not trigger VAC as they operate purely at mouse input level.

RCS (Recoil Control System)

Mouse compensation patterns designed to stabilize spray inaccuracy in shooters like CS2 and PUBG.

Sub-Tick Architecture

CS2 network tickrate system that timestamps player actions between server ticks for frame-precise hit registration.