World Options

World options
In N Terraria there are two New options for created worlds, "World difficulty" & "Biome option".

World Difficulty
In World Difficulty section there are three sub settings that change Modifiers.

Normal difficulty Adds the least modifiers and spawns

Champion difficulty Adds more modifiers and spawns

Suicide difficulty Adds the most modifiers and spawns

Biome option
In biome option section there are two sub settings.

Bloody world By applying this setting on the world it lets the The crimson biome spawn.

Evil worldBy applying this setting on the world it let's The Corruption biome spawn.