Valve Anti-Cheat (VAC) runs on all competitive systems; Tournament-specific anti-cheat clients may be required (e.g., FACEIT Anti-Cheat); Peripheral device checks: mouse and keyboard firmware verified at LAN events
Why people argue about this
People often assume that just being clean means avoiding drugs entirely, forgetting about other prohibited substances like alcohol or energy drinks that could affect performance in a fast-paced game like Counter-Strike 2. The confusion arises because they overlook how these substances can still impact players' focus and reaction times, even if not strictly classified as drugs.
