visual novel, Chaos;Head Noah, gripping storyline, psychological thriller, immersive gameplay, anime-style characters, branching plot lines, multiple endings, high school protagonist, delusional triggers, urban Tokyo setting, otaku culture, interactive fiction, suspenseful atmosphere, 2D graphics, voice acting, text-based choices, mystery elements, science adventure series, psychological horror, complex themes, thought-provoking, player decision impact, character development, mental health exploration, vibrant soundtracks, detailed backgrounds, point-and-click mechanics, Japanese voice-over, English subtitles, engaging narrative, cyberpunk influence, otaku protagonist, Akihabara district, conspiracy theories, mind-bending scenarios, otaku lifestyle representation, intricate puzzles, emotional depth, character-driven story, atmospheric lighting, moody color palette, handheld gaming, Nintendo Switch version, Steins;Gate universe, 5pb. developers, Nitroplus collaboration, cult classic, visual novel genre.