The only way to switch an existing world to Hardcore mode is to use a third-party app to edit the game's files. How to change game modes in 'Minecraft: Java Edition' 1.

Minecraft has evolved a lot in the last 10 years, adding a handful of game modes for variety. Here is how to switch between them on the fly.

In Minecraft, players will find themselves exploring almost-infinite worlds. Depending on the game mode, they will have different experiences in Minecraft.

Here's how to use the /gamemode command in "Minecraft: Java Edition" and "Minecraft: Bedrock Edition." Quick tip: Note that you can't use this trick to switch to Hardcore mode. The only way to switch ...