From Medieval Engineers Wiki
Within Medieval Engineers administration over the world is an important part to help keep everything running smoothly.
|Flight||Turn the flight ability on / off.|
|Player list||Open the Players Screen while playing the game. The player screen contains all of the players connected to the current game, as well as controls to promote players to administrator, invite new players, kick players, or mute player's voice chat.|
|+||Dev. Menu||Opens the Developer Debug Menu. Use this menu with care.|
|+||Items Menu||Opens the spawn Items menu. Creative mode tools must first be enabled in the Admin Menu because you can spawn items.|
|+||Admin Menu||Opens the Medieval Master Admin Menu. This menu allows the option to enable creative mode tools, along with all built in clean up and world management tools.|