实验性实验性adventure实验性creativeWorld is in a full creative mode. In creative mode, the player has all the resources available in the item selection tabs and the survival selection tab. They can also destroy blocks instantly including those which would normally be indestructible. Command and structure blocks can also be used in creative mode. Items also do not lose durability or disappear.
实验性spectatorWorld is in spectator mode. In spectator mode, spectators are always flying and cannot become grounded. Spectators can pass through solid blocks and entities without any collisions, and cannot use items or interact with blocks or mobs. Spectators cannot be seen by mobs or other players, except for other spectators; spectators appear as a transparent floating head.
实验性survival
Represents a game mode for the current world experience.