Singleplayer Authority restores ownership to singleplayer. It automatically grants Operator Level 4 in true offline singleplayer worlds, so you can use /gamemode, /give, /tp and every other command while staying in Survival. It is intelligently disabled on dedicated servers and LAN worlds to prevent any abuse. No GUI, no command clones, no switching to multiplayer just to build - just you, in control of your own world.

