Your objective in this great action game is to sneak around, snap some necks, plant some C4, do whatever you need to do to survive and complete an assigned mission. There are 22 missions in total. If you have trouble with a level, go into the menu and look at hints. Use the ARROW KEYS to move around. Press "Z" to place C4 explosives. Press "X" to detonate the C4. Use SPACEBAR to snap neck, or tap on wall (while on wall), or and use object. You can press "R" KEY to restart the game or "M" to access menu. Have fun!