Update 1.4.5 transformed Terraria from an input box into a playground of chaos, especially with the new secret world seeds. Dabble in a world devoid of color or spawn into a map without a surface layer. Which secret world seed will you explore today? Check out the discovered secret seeds introduced in the Bold & Boulder Update!

All Secret World Seeds in Terraria 1.4.5

The Terraria Bold & Boulder Update introduced one special seed: Skyblock. Input this seed’s name into the world generator to create a map wherein you spawn in one of the small floating islands. You must then build bridges to reach other floating islands on the map. But that certainly wasn't all. The recent update also adds 35 secret world seeds, each with unique features. As with other known secret seeds in Terraria, simply inputting the name of the map into the world generator creates it. Additionally, seed codes aren’t case or space-sensitive. For example, entering the code “rainsForAYear” in the world seed generator works in different ways, such as “bring a towel,” “Bring A Towel,” “bRiNg-A-tOwEl,” or “bringatowel.” If done correctly, a unique notification sound plays and the seed icon sparkles. Below are all the different secret world seeds, along with their codes, introduced in Terraria 1.4.5 and discovered by community members:

• paintEverythingGray: monochrome
• paintEverythingNegative: negative infinity
• coatEverythingEcho: invisible plane
• coatEverythingIlluminant: xray vision
• noSurface: mole people
• extraLivingTrees: save the rainforest
• extraFloatingIslands: the carebears movie
• errorWorld: i am error
• graveyardBloodmoonStart: night of the living dead
• surfaceIsInSpace: such great heights
• rainsForAYear: bring a towel
• biggerAbandonedHouses: abandoned manors
• randomSpawn: how did i get here
• addTeleporters: beam me up
• startInHardmode: too easy
• noInfection: fishmox
• hallowOnTheSurface: does that sparkle
• worldIsInfected: purify this
• surfaceIsMushrooms: toadstool
• surfaceIsDesert: sandy britches
• pooEverywhere: truck stop
• noSpiderCaves: arachnophobia
• actuallyNoTraps: more traps please
• rainbowStuff: rainbow road
• digExtraHoles: jagged rocks
• roundLandmasses: planetoids
• extraLiquid: waterpark
• portalGunInChests: we don't even test for that
• worldIsFrozen: winter is coming
• halloweenGen: pumpkin season
• endlessHalloween: hocus pocus
• endlessChristmas: jingle all the way
• vampirism: what a horrible night to have a curse
• teamBasedSpawns: royale with cheese
• dualDungeons: dual dungeons OR double daring dangers

Note: These secret world seeds also work in multiplayer Terraria servers.

Special World Seed Combinations

Aside from normally inputting the name of the seed into the world generator, it’s now possible to combine the traits of different special seeds into one world, as of Update 1.4.5. For example, selecting Celebration + Drunk World combines certain traits on those seeds into a new world save file. Once loaded, this unique world has rainbow-colored sand, all bodies of water is Shimmer, and different NPCs spawn from the start. Two more examples of world seed combinations are “Celebration + Constant World” and “Celebration + Not The Bees World.” Note: As of Update 1.4.5.4, all unlocked secret world seeds in Terraria can be toggled through a new "Secret Seed" button.