Enter S.C.T.F. - Professional Contracts. A CS 1.6 Full Conversion Mod that revamps and expands its formula to something more! With new gameplay features and gamemodes, all refined and fine-tuned to give the best, most-balanced and comfortable experience for you. - Competitive and Deathmatch Modes. - New Gameplay Mechanics, such as Aim-Down-Sights. - Ruleset to alter the gameplay in new and unexpected ways - Totally reworked audio and visual with new and different aesthetics.