When people are shot there are blood splurts, but it's not as graphic as The Walking Dead.
Episode 1: People are mowed down by Tommy guns. A car is blown up. A man is blown away by a shotgun. Another man is shot in the back and then again in the head (the bullet wound is shown, but nothing incredibly graphic).
Episode 2: A boy smashes a window with a baseball bat. A man holds up a store with a shotgun; he fires shots but no one is hurt. Two men are killed by being shot at gunpoint; their bloody bodies are shown in aftermath.
Episode 3: A man is tied up and has a bag on his head; he is shoved in a hole and shot by numerous men(you see bullet holes and some very fake blood squirts on the screen). A man is shot at gunpoint; nothing shown. Several men are involved in a firefight. One man is blown away by a rifle, one is shot multiple times by a pistol, and another is killed offscreen.
Episode 4: Gangsters burst into casinos and smash tables. Several men get punched, one man is killed by stabbing. A man is hit in the head by a shotgun and knocked unconscious.
Episode 5: A man is shown handcuffed to a radiator, beaten and bloody. Men engage in a gunfight, several of them are killed (nothing too graphic, although bodies are shown stained in blood).
Episode 6: A man is beaten up. A man is gunned down by a rifle; every impact wound is shown, including when he is subsequently shot in the head. His eyeball is shown lying on the ground.