Terraria: Secret Seeds For Unusual Worlds

Much like other sandbox type games, players in Terraria can use certain seeds to unlock easter egg worlds. These are the three included by update 1.4.

Steam Community :: Guide :: All Terraria Seeds

Zenith Secret World Seed Guide for Terraria 1.4.4 - KeenGamer

Everything You Need To Know About For The Worthy In Terraria

Steam Community :: Guide :: Terraria Best World Seeds List! (Rare Glitches, Updated Seeds)

HUGE Hidden Secret Seed in Terraria mobile 1.4.4 ?

Best Terraria 1.4 Seeds

What Happens If You Combine ALL Secret World Seeds

Working as Designed - World Generation for Secret Seeds

Secret seeds now have unique icons in the World Select menu! : r/Terraria