Neopets STEM LabNeopia case files
Solve Neopia’s mysteries with real science.
An iPad adventure where Kayla and Lisha take on cases across Neopia, and every clue is cracked with a real experiment.
- Cases
- 40
- Regions
- 18
- Minutes per case
- 10–25
How a case works
Each case is an interactive episode; most take 10 to 15 minutes. Players watch the story, then step in to run the tests themselves.
StepPick a case on the map
Travel to a region of Neopia and open a case file waiting there.
StepRun the experiment
Measure, mix and compare. The evidence comes from what actually happens in the flask.
StepClose the case
Explain what you found, earn badges and add the case to your wall.
The case wall
40 casesEvery region of Neopia has its own mysteries. These are the cases waiting for you right now.
- Region
Neopia Central
COLORFUL SHOPS AND CURIOUS DISCOVERIES BENEATH THE GREAT TREE. VISIT THE NEOPIAN TIMES PRINT SHOP. EXPLORE ROO ISLAND’S CARNIVAL WATER HARP.
4 cases - EXP 01


The Legendary Slushie Anomaly
Investigate the slushie anomaly
- EXP 17


Beacon Night in Neopia Central
Investigate the silent landing beacon
- EXP 25


The Black Ink Twins of the Neopian Times
Investigate whether the two look-alike black inks share a source
- EXP 27


The Silent Eighth Key
Investigate why the water harp’s eighth key will not sound
- Region
Mystery Island
RAINFOREST RUINS AND A SAND ART STUDIO BESIDE THE TIDAL STREAM.
2 cases - EXP 02


The Pink Seal
Investigate the mysterious pink seal
- EXP 24


The White Traces of the Tide Sand Studio
Investigate the white traces left at the sand art studio
- Region
Sakhmet
SANDSTONE STREETS, GOLDEN DOMES AND A BUSY POTION MARKET. VISIT THE CARAVAN OUTPOST BEYOND THE CITY.
2 cases - EXP 05


The Golden Rain Swindle
Investigate a suspicious potion stall
- EXP 26


The Dune Caravan's Hot and Cold Packs
Investigate why the caravan packs turn hot or cold
- Region
Maraqua
EXPLORE THE OLD CORAL CITY AND ITS ABANDONED LABORATORY.
1 case - EXP 03


Rescue Beneath Maraqua
Investigate the abandoned laboratory
- Region
Virtupets
A SPACE STATION IN ORBIT, WITH CONNECTED LIFE-SUPPORT SECTORS.
1 case - EXP 04


Oxygen Crisis
Explore the oxygen supply sector
- Region
Moltara
AN UNDERGROUND CITY OF LAVA, BRASS PIPES AND STEAMWORKS.
2 cases - EXP 06


The Steam Vault
Survey the maintenance chamber entrance
- EXP 15


The Molten Seam of Moltara
Investigate the damaged mine-cart rails
- Region
Meridell
FARMLAND PATHS, A BUSY MARKET AND AN OLD WATERMILL.
2 cases - EXP 07


The Pan That Moved
Investigate the moving balance pan
- EXP 20


The Dancing Potato Field of Meridell
Investigate the strange potato field
- Region
Brightvale
ROYAL WORKSHOPS, ACADEMIC DISCOVERIES AND THE KNOWLEDGE COURT.
3 cases - EXP 08


Count the Oxygen: The Case of the White Crystals
Investigate the mysterious white crystals
- EXP 16


The Flameless Lamp of Brightvale
Investigate the flameless lamp challenge
- EXP 18


The Bell-Jar Hearing: Two Tubes Before Dawn
Investigate the broken bell jar
- Region
Shenkuu
MOUNTAIN TERRACES AND A LANTERN FESTIVAL AT THE LUNAR TEMPLE. VISIT THE MOUNTAIN PUPPET THEATER.
2 cases - EXP 09


The Purity Watch of Shenkuu
Investigate the lantern festival’s safety
- EXP 29


The Stand-in That Comes Back
Investigate the stage stand-in that comes back
- Region
Tyrannia
ROCKY HIGHLANDS, A STONE FORGE AND A STONE-STEP GRANARY.
1 case - EXP 10


The Ember Under the Stone Steps
Investigate the granary fire
- Region
Krawk Island
ANCHOR MOORINGS AND A SALVAGE DOCK ON A PIRATE ISLAND.
2 cases - EXP 11


The Anchor Chains of Krawk Island
Investigate the failing anchor chains
- EXP 12


The Sunken Chest of Krawk Island
Investigate the sunken chest
- Region
Haunted Woods
WOODLAND PATHS AND A MYSTERIOUS ABANDONED WORKSHOP. FIND THE SNACK CART IN THE ABANDONED FAIRGROUND.
2 cases - EXP 13


The Shivering Needle of the Haunted Woods
Investigate the old workshop’s moving needle
- EXP 28


The Third Sketch
Investigate the third sketch beside the snack cart
- Region
Altador
SUNLIT QUARRIES, IRRIGATION CHANNELS AND ANCIENT RECORDS. INVESTIGATE THE ALTADORIAN ARCHIVES.
2 cases - EXP 14


The Blue Channel of Altador
Investigate the blue irrigation channel
- EXP 30


The Blue-Black Words of the Archives
Investigate the origins of the archives’ blue-black words
- Region
Terror Mountain
SNOWY PATHS TO THE ICE ARENA AND ITS MEDAL WORKSHOP.
1 case - EXP 19


The Hearthfire Medals of the Ice Arena
Investigate the damaged Winter Games medals
- Region
Faerieland
RAINBOW WATERFALLS AND A WATERWHEEL POST HOUSE AMONG THE CLOUDS.
1 case - EXP 21


The Missing-Sugar Slip at the Rainbow Post
Investigate the sugar missing from the mail
- Region
Kiko Lake
LAKESIDE PATHS AND A WOODEN THEATER LINKED BY BOARDWALKS.
1 case - EXP 22


The Sixth Portion of Salt
Investigate why the sixth portion of salt will not dissolve
- Region
Kreludor
A LUNAR SETTLEMENT WITH A SEALED CAFE AND A TWIN-LANE BROTH CONTEST.
1 case - EXP 23


The Twin-Lane Broth-Off on Kreludor
Investigate why things dissolve at different speeds in the two contest lanes
- Region
The Skyworks
AN AIRSHIP HARBOR FLOATING ABOVE THE CLOUDS, WITH BERTHS BOUND FOR PHYSICS CASES ACROSS NEOPIA.
10 cases - PHY 01


Shadows Near and Far
Investigate how to keep both boat-shadow scenes on one small screen
- PHY 02


The Turning Mirror in the Dark Corner
Investigate how to get the stage light into a dark window without cutting the new set
- PHY 03


Three Lights for a Two-Scene Story
Investigate how three colored lanterns could give two scenes a light of their own
- PHY 04


The Signal Box That Wouldn’t Answer
Investigate why a brand-new signal box won’t light
- PHY 05


The Lopsided Stand in the Last Bay
Investigate how a lopsided display stand can pass its tilt check again
- PHY 06


Where Should We Press?
Investigate where one small press can lift a crate stuck at the barn door
- PHY 07


The Test Scale on the Krawk Dock
Investigate whether the harbor’s force meter is really broken
- PHY 08


The Cold Blocks from the Warmhouse
Investigate what happens when a crate of “cold blocks” meets a hot latch block
- PHY 09


Choosing a Tool Handle
Investigate which of two look-alike rods makes the better tool handle
- PHY 10


The Empty Slot on the Snow Sled
Investigate which warm box is fit for the first delivery up the snow road
For parents and teachers
Neopets STEM Lab turns school-level science into short investigations. Children predict, test and explain, the same way a real lab works.
Fact sheet
- No account
- Open the app and play. Nobody is asked to sign up or enter personal details.
- No ads or tracking
- The app shows no ads and collects no usage data or analytics.
- Progress stays on the iPad
- Scores, badges and saved cases are stored on the device, not on our servers.
- Languages
- Cases play in English. Menus are available in English and Spanish.
- Devices
- iPad with iPadOS 17 or later. Also playable in a desktop web browser.
- Age
- 10–14
Meet the investigators
Personnel file- Lead investigator

Kayla
Lead investigator. Carries six potion vials and never skips a control test.
- Field partner

Lisha
Kayla’s partner, who notices the small details everyone else walks past.
- Potion master

Kauvara
The potion master who guides each case from her shop, through a message vial.
Neopets STEM Lab