The document analyzes the similarities and differences between Joseph Conrad's novel Heart of Darkness, Francis Ford Coppola's film Apocalypse Now, and the video game Spec Ops: The Line. All three explore themes of war, imperialism, and human morality, using different media to depict the inherent darkness in human nature and the consequences of violence. The narratives, symbols, and cultural impact of each work are compared, highlighting how each explores moral ambiguity and the psychological cost of war. The analysis focuses on the evolution of the characters and the importance of the setting as a reflection of internal and external conflicts. Finally, it examines the mutual influence among these three works through adaptations and critical analysis.