Removes item recipes, mob spawns, item drops from mobs, and other gameplay elements from Terraria. Configurable per world. Meant for use with adventure maps or custom mods.

• Check the inbox button (upper left) for instructions.
• Use in-game commands or config file editing to adjust filters.

https://forums.terraria.org/index.php?threads/nihilism-empties-the-game.60333/