Minecraft is no stranger to player-made modifications. From the game’s inception, players have been taking the code and customizing it to do new things.

The second year is when a large portion of that "coding" began, which is when a Minecraft user uses command blocks powered by redstone to make certain actions happen in-game.

But it’s not really in vanilla Minecraft. Instead, the Aether mod is what you’re looking for! How do you make a portal in Minecraft without obsidian?