* Revenge: The play is driven by Hamlet's desire to avenge his father's death. This leads to a cycle of violence, as Hamlet kills those who he believes are responsible for his father's death, and those people in turn seek revenge on Hamlet.
* Madness: Hamlet is driven to madness by his grief and anger, and this madness leads him to make rash decisions that result in violence. For example, Hamlet kills Polonius in a fit of rage, and he later stabs Claudius with a poisoned sword.
* Fate: The play suggests that Hamlet is caught up in a web of fate, and that the bloodshed is inevitable. This is symbolized by the ghost of Hamlet's father, who appears to Hamlet and tells him that he must avenge his death.
The bloodshed in Hamlet is a reflection of the dark and violent world of the play. It is a world where revenge, madness, and fate all play a role in shaping human events.