Kojima often explores the devastating effects of war on individuals and society, questioning the justification of violence and the long-term ramifications of conflict.

Kojima's narratives frequently address the ethical implications of genetic engineering and advanced technology, raising concerns about the potential for misuse and the impact on human identity.

Kojima's stories are often filled with layers of deception, conspiracies, and hidden agendas, challenging players to question the information they receive and uncover the truth.

Kojima is known for his cinematic storytelling, using cutscenes, dialogue, and camera angles to create immersive and emotional experiences. His games often resemble interactive movies.

Kojima often incorporates meta-commentary into his games, directly addressing the player and breaking the fourth wall. This technique challenges the conventions of game storytelling and encourages players to think critically about the medium.

Kojima's characters are often complex and morally ambiguous, with hidden motivations and personal struggles. He focuses on exploring their inner lives and relationships.