Every block, every boss, every recipe.
A fan-built compendium of Terraria — 6,195 items, 763 NPCs, 31 bosses cross-linked with sprites, drops, and the entire crafting graph.
Terra Codex
Pick your biome
// every entry, sorted by where you find it
BForest
Items
6,195weapons, armor, accessories, blocks, potions, materials
open registry ▶
Town
NPCs
691monsters, town folk, critters
open registry ▶
Boss Arena
Bosses
31composited multi-part renders
open registry ▶
Hallow
Buffs
388status effects with icons
open registry ▶
Cavern
Tiles
753placeable foreground blocks
open registry ▶
Dungeon
Walls
367background wall textures
open registry ▶
Underworld
Projectiles
1,111spells, bullets, arrows
open registry ▶
Ocean
Prefixes
97modifier names (Mythical, Legendary, …)
open registry ▶
Boss Codex
// 31 entries · composited sprites
XBoss Codex
// 12 entries · how to summon each
King Slime
PRE-HARDMODE
Slime Crown · or kill 150 slimes in a Slime Rain
Eye of Cthulhu
PRE-HARDMODE
Suspicious Looking Eye at night
Eater of Worlds
PRE-HARDMODE
Worm Food · or break 3 Shadow Orbs
Brain of Cthulhu
PRE-HARDMODE
Bloody Spine · or break 3 Crimson Hearts
Queen Bee
PRE-HARDMODE
Abeemination · or break a Larva
Skeletron
PRE-HARDMODE
Talk to the Old Man at the Dungeon at night
Wall of Flesh
PRE-HARDMODE
Drop a Guide Voodoo Doll into lava in Hell
Queen Slime
HARDMODE
Queen Slime Crystal
The Twins
HARDMODE
Mechanical Eye at night
The Destroyer
HARDMODE
Mechanical Worm at night
Skeletron Prime
HARDMODE
Mechanical Skull at night
Plantera
HARDMODE
Break a Plantera's Bulb after all mechs
Town folk
// 763 NPCs · unlock conditions tracked
NTown Folk
// 26 town NPCs · each with arrival conditions
Guide
Guide
Spawns at world start
Merchant
Merchant
Players hold 50 silver
Nurse
Nurse
After any boss kill
Arms Dealer
Arms Dealer
Any player has a gun + bullets
Dryad
Dryad
Defeat Eye, Eater, Brain or Skeletron
Demolitionist
Demolitionist
Carry an explosive (Bomb, Dynamite…)
Clothier
Clothier
Kill Skeletron with the Old Man
Goblin Tinkerer
Goblin Tinkerer
Beat Goblin Army, then rescue in caves
Wizard
Wizard
Free from underground bind (Hardmode)
Mechanic
Mechanic
Rescue inside the Dungeon
Santa Claus
Santa Claus
Frost Legion defeated, in winter
Truffle
Truffle
Surface Glowing Mushroom biome (Hardmode)
Steampunker
Steampunker
Defeat any Mech boss
Dye Trader
Witch Doctor
Defeat Queen Bee
Party Girl
Pirate
Defeat a Pirate Invasion
Cyborg
Stylist
Rescue in Web Covered Chamber
Painter
Painter
8+ NPCs already present
Witch Doctor
Cyborg
Defeat Plantera
Pirate
Tax Collector
Use Purification Powder on a Tortured Soul
Stylist
Traveling Merchant
Random daytime visit (2+ town NPCs)
Angler
Angler
Found sleeping on Ocean beach
Tax Collector
Tavernkeep
Rescue from Underground
Tavernkeep
Party Girl
1-in-40 chance once 14+ NPCs present
Golfer
Princess
All other Town NPCs alive
Zoologist
Zoologist
Complete 10% of the Bestiary
Princess
Golfer
Rescue in the Desert
Walk the recipe tree backwards.
Every recipe in Terraria, mapped end-to-end. Punch in any item and the codex traces every ore, bar, and station you'll touch on the way there.
OPEN CODEX, NOT THE GAME
Don't own Terraria yet?
The codex is fan-built and free — but the game is the real thing. Grab a copy and every entry in here turns into something you can actually swing, mine, or summon.
// not affiliated with Re-Logic — just a place to look things up