Can you give me a review on revenge tragedy?

Revenge tragedy is a dramatic genre that explores themes of vengeance, moral ambiguity, and the consequences of retribution. Often characterized by a tragic hero driven by a desire for revenge, these plays delve into the psychological turmoil and ethical dilemmas faced by the characters. Classic examples include Shakespeare's "Hamlet" and Kyd's "The Spanish Tragedy," which highlight the destructive cycle of violence and the impact of betrayal. Overall, revenge tragedies are compelling explorations of human emotion and the darker aspects of justice.