Core Keeper GuidesGuides, database, map tools, and update pages
Materials and tools

Items database

Browse items entries that lead into real Core Keeper routes.

Open a structured entry for the exact item that is slowing the run, then jump to the best full page.

These entries answer the first practical question, then hand off into the full page that solves the route, fight, farming loop, or progression problem in full.

18 live entriesCommon mistakes includedLinked to deeper pages
Items database visual

When to use this shelf

Start here when you already know the item name and just need the shortest route into the right full page.

What to watch for

A common mistake is opening an item page too early when the real problem still is progression, biome access, or a landmark search.

Good next click

If the item route still feels broad, switch to the matching location or progression entry before opening more item pages.

When to use this shelf

Use the category after the object is clear, not before.

Quick entry index

Use one row to pick the right entry before you start bouncing across multiple pages.

EntryRole or PurposeWhere or UnlockBest UseNext Page
Admin KeyAug 2026
item
Start with the linked page and confirm the current progression stage before farming side rooms that cannot pay off yet.
Checking whether this is the right stage to care about the key at all.
Check the progression route
FiberAug 2026
material
Use the linked page to compare early pickup habits with a renewable patch close enough to support steady crafting.
Stabilizing the first base loop without wandering too far from the Core.
Open the first-steps route
Mechanical PartsAug 2026
material
Use the linked page to narrow the search before sweeping every structure in the biome.
Narrowing the search to the structures that most often pay out.
Check the current gear gate
Rune SongAug 2026
weapon
Use the linked page to split the project into pieces instead of stopping the whole save for one drop.
Breaking a long late-game project into smaller next actions.
Check the boss order
Ancient GemstoneAug 2026
material
Use the linked page after confirming the correct late-game biome and the structures that usually matter.
Turning a vague late-game search into a tighter landmark-first route.
Open the desert location entry
Crystal Skull ShardsAug 2026
item
Use this when the item name is clear but the actual search still needs the right shelf.
Turning a vague rare-item hunt into a narrower route.
Open Ancient Gemstone
PandoriumAug 2026
item
Use this when the item is known but the route still needs narrowing.
Keeping a rare crafting material from turning into a blind grind.
Open Ancient Gemstone
Torch StackAug 2026
item
Use torches before a sweep widens, before a boss arena pull, or before a return lane becomes hard to recognize.
Marking return routes.
Open the map guide
Recall IdolAug 2026
item
Use it before long biome pushes, late resource trips, or any route where a full bag makes the return risky.
Long scouting sessions.
Check the return trip
Ancient CoinAug 2026
item
Use sale-value items after sorting progression materials into a separate chest.
Funding merchants.
Open the money guide
Gemstone Project PiecesAug 2026
item
Use one marked storage slot near the crafting area instead of spreading pieces across general loot.
Long weapon goals.
Open the Ancient Gemstone guide
Bomb StackAug 2026
item
Use bombs around cluttered arenas, shortcut lanes, and blocked return paths after the route purpose is clear.
Boss arena cleanup.
Open Boss Prep Checker
Wood ReserveAug 2026
item
Keep wood near crafting, route prep, and map-marker supplies instead of scattering it across loot chests.
Torch lines.
Open crafting flow
Slime SupportAug 2026
item
Use slime routes near early boss and starter areas before the save spreads too wide.
Starter support.
Open beginner guide
Bridge KitAug 2026
item
Use it before Sunken Sea, dungeon sweeps, and long landmark searches where terrain interrupts the line.
Route smoothing.
Open Biome Route Planner
Boss Summon ItemAug 2026
item
Use the summon item only after the arena, support food, and reset route are prepared.
Controlled boss attempts.
Open Boss Prep Checker
Valuables ChestAug 2026
item
Put sale-value items in one labeled chest near merchants or the sell routine.
Safe selling.
Open money guide
Garden Seed ReserveAug 2026
item
Store seeds by meal purpose near the farm and cooking handoff.
Repeat meals.
Open Food Loop Planner

Open the shelf

Open the exact database page that matches the blocker you are dealing with now.

Aug 2026

Admin Key

A targeted item reference for players who know the name but still need the route, stage fit, and next use.

Use this whenOpen this page when you know the item name but still need the cleanest route to it.Common mistakeSearching too early and treating a progression gate like bad luck.Next page after thisCheck the progression route

Aug 2026

Fiber

A fast reference for early material questions, renewable supply, and the next useful route.

Use this whenOpen this when early crafting keeps stalling because a basic material never stays in stock.Common mistakeUsing every fiber drop immediately and never building a reserve chest.Next page after thisOpen the first-steps route

Aug 2026

Mechanical Parts

A practical item reference for workshop progression and repeatable search habits.

Use this whenOpen this when crafting is waiting on one workshop item and you need a shorter search pattern.Common mistakeSweeping every room of the biome without checking which structure type matters.Next page after thisCheck the current gear gate

Aug 2026

Rune Song

A project reference for keeping a legendary weapon goal organized alongside normal progression.

Use this whenOpen this when the project is attractive but you need to fit it around normal progression.Common mistakeTreating the whole weapon as one giant farm instead of several smaller goals.Next page after thisCheck the boss order

Aug 2026

Ancient Gemstone

A late-game item reference for players who need a better landmark-and-loop approach before another long sweep.

Use this whenOpen this when one rare crafting piece is blocking the build but the right biome clue still feels vague.Common mistakeSweeping open desert space without marking useful structures.Next page after thisOpen the desert location entry

Aug 2026

Crystal Skull Shards

A rare-item entry for locating the shards without wandering the whole late-game route.

Use this whenOpen this when a rare material is blocking a build or project and the route still feels vague.Common mistakeHunting the shards before knowing why they matter.Next page after thisOpen Ancient Gemstone

Aug 2026

Pandorium

A project-material entry for the rare resource that should be tied to one clear late-game route.

Use this whenOpen this when a late-game crafting project needs one more rare material route.Common mistakeCollecting the wrong late-game material because the project is not named.Next page after thisOpen Ancient Gemstone

Aug 2026

Torch Stack

A route-support item entry for marking lanes, boss arenas, and long resource loops.

Use this whenOpen this when map routes are failing because the return path is hard to read.Common mistakeLighting every tunnel equally.Next page after thisOpen the map guide

Aug 2026

Recall Idol

A return-safety entry for routes where the exit matters as much as the target.

Use this whenOpen this when long routes keep wasting time on the way back.Common mistakeUsing it before the route has value.Next page after thisCheck the return trip

Aug 2026

Ancient Coin

A safe-sale item entry for earning coins without damaging the next craft or route.

Use this whenOpen this when money is low but selling useful materials would slow progression.Common mistakeSelling mixed loot blindly.Next page after thisOpen the money guide

Aug 2026

Gemstone Project Pieces

A progress-tracking entry for keeping rare pieces visible without pausing the whole save.

Use this whenOpen this when rare materials are scattered across chests and the next craft is hard to judge.Common mistakeStopping all progression for one rare piece.Next page after thisOpen the Ancient Gemstone guide

Aug 2026

Bomb Stack

A utility item entry for using bombs as route cleanup without wasting them on every wall.

Use this whenOpen this when terrain, arena cleanup, or route shortcuts need controlled demolition instead of slow mining.Common mistakeUsing bombs before naming the route.Next page after thisOpen Boss Prep Checker

Aug 2026

Wood Reserve

A support material entry for keeping starter and travel routines from collapsing.

Use this whenOpen this when basic crafting, torches, bridges, or repair habits keep stalling the route.Common mistakeUsing all wood on side crafts.Next page after thisOpen crafting flow

Aug 2026

Slime Support

A starter material entry for turning slime pickups into useful early support.

Use this whenOpen this when early crafting or fight prep needs slime materials but the route is not organized.Common mistakeOverfarming slime after it stops solving the blocker.Next page after thisOpen beginner guide

Aug 2026

Bridge Kit

A travel item entry for carrying just enough bridge support to keep a route readable.

Use this whenOpen this when water, gaps, or awkward terrain keep breaking a route's rhythm.Common mistakeOverbuilding during a scout.Next page after thisOpen Biome Route Planner

Aug 2026

Boss Summon Item

A boss-route item entry for keeping summon attempts tied to arena, food, and next-step readiness.

Use this whenOpen this when a boss attempt needs a trigger item but the prep is not ready yet.Common mistakeUsing the item before lighting the arena.Next page after thisOpen Boss Prep Checker

Aug 2026

Valuables Chest

A storage item entry for separating sell loot from keep loot before coins cost progress.

Use this whenOpen this when money items and progression materials keep getting mixed together.Common mistakeSelling from general storage.Next page after thisOpen money guide

Aug 2026

Garden Seed Reserve

A farming material entry for keeping repeat food loops alive.

Use this whenOpen this when the farm produces food once but cannot repeat the meal stack later.Common mistakePlanting everything without a meal goal.Next page after thisOpen Food Loop Planner

Companion routes

Use these when this shelf still leaves the real answer a little too broad.

Where to go after this shelf

Once the category is named, move to the page that solves the real blocker.