Using a cigarette could unlock specific "Social Motivations" or dialogue options with certain NPCs, making social situations feel more comfortable or providing a sense of camaraderie.
If your project features long-term progression, smoking can lead to permanent character changes. 9 Fascinating Smoking Facts | RadNet San Gabriel Valley Smoking
Smoking has long been used in media to signal personality traits or facilitate social interaction. Using a cigarette could unlock specific "Social Motivations"
Characters might leave behind "third-hand smoke" or cigarette butts that specialized NPCs can track, adding a layer to stealth or detective gameplay. 3. Long-Term Character Progression Smoking