Using modded unlockers generally disables XP gain and achievement progress. Downloading
However, using unlockers in public multiplayer matches disrupts the experience for paying players and can destabilize servers. The ethical line is clearest in or with explicit server permissions . killing floor 1 dlc unlocker
Gray-market sites sometimes sell leftover Steam keys for KF1 DLC packs at 80% off. While not illegal, these keys sometimes get revoked. Using modded unlockers generally disables XP gain and