NPCs are non playable characters in Starbound. There are many NPCs in Starbound that you are be able to interact with. NPCs will range from hostile (Eg. Enemies/creatures) to Passive agressive (Either through Vocal or physical taunting( Eg.Village guards)) to Allied (Eg. Pets).Passive NPCs can live in groups or alone, they will not fight hostile and neutral enemies(besides guards that will attack the player if holding a weapon or running away with a weapon) or the player and will walk towards the player when being attacked, the player can kill npcs the same as neutral and hostile enemies, upon death the NPC's will drop pixels.Certain NPCs can be traded with to gain items such as food in exchange for pixels, food costs 7 pixels.When the player interacts with a NPC it will either talk to the player or trade with the player.