Minecraft wiki entry for 2010_Indie_of_the_Year_Awards, associated text: Griefers are the reason many server administrators make rules, but this has been taken a step further with modifications to the Minecraft server and even plugin-based replacement servers such as Bukkit. Because of these plugin-based servers, new user-created features have shown up in Minecraft. This includes features like money, vehicles, protection, RPG elements and more. These features normally do not require modification to a user's client and can be accessed by using chat commands. With the default controls, the chat screen is brought up by pressing T.