Short description of Twitch 1.7: This is a 3D shooter. The objective is to capture four globes in four minutes. Overcome obstacles, traps and enemies in each of ten levels. Each level has random elements that alter the game each time that it is played. A level may be played using several methods and it may take several attempts before a level is mastered. Your player is given a semi-automatic rifle at the start of each level. Four other weapon types may be found.