Terraria: Artificial Biomes Guide

You will need at least 80 Mud Blocks with jungle grass on them to make this biome. The music and background should automatically change after all the grass has spreaded.

You will need at least 300 Snow Blocks, Snow Bricks, and or Ice Blocks to make this biome. The music and background should automatically change.

You will need at least 200 Grass Blocks, Ice Blocks, Stone Blocks, and or Sand Blocks with Hallowed grass to make this biome. The music and background should automatically change after all the grass has spreaded.

You will need at least 50 Meteorite Ore to make this biome. The music and background should automatically change and Meteor Heads will begin spawning.

You will need at least 100 Mud Blocks with Glowing Mushroom grass on them to make this biome. The music and background should automatically change after all the grass has spreaded.

You will need at least 250 colored Dungeon Bricks to make this biome. The music and background should automatically change.

Side note: I have never actually tried to make this myself, so I don’t know if this is still possible or has ever been possible.

That’s it for now. If there’s anything you want to suggest, mention it in the comments.