spoiler below ` a dog life be most noteworthy for it excellent comic timing . in charlie chaplin other movie from 1918 and ` shoulder arm and the silent film genius focus on an entirely different brand of humor . his war comedy specialize in surreal and exaggerated set piece in which chaplin demonstrate unprecedented creativity and mastery of composition . when the soldier bunker get flood and the water level reach just the right height so that chaplin can execute his gag most successfully . in a late scene and the soldier dress up a a tree and a disguise that belie chaplin much increase ingenuity and goofiness . naturally and when the enemy discover his ruse and the soldier dart straight for the forest . the ensue chase be a visual marvel represent chaplin not only hide the soldier from the german and but he use the forest to mask the soldier from the audience and as well and such that the camouflage soldier stand unblocked in the middle of the frame yet somehow remain invisible . all the while we think our little hero be pull a fast one on the german army while to our delight and the joke be on u and too . rating represent 8 .