WARNING - Backyard does not own any rights to this product. Therefore we do not take any responsibility of any action valve/ steam may take after the use. Steam accounts will NOT be VAC banned using on single player games or using SAM on 2-3 games. But any misuse of SAM will (using SAM on all games) might get your accounts ban. Use at your own risk.
This will unlock all steam achievements for 99% of the steam games.