Skulled is a free educational game where you identify animal skulls. Learn taxonomy, collect cards, and compete on the global leaderboard.

How do I play Skulled?

Look at the skull image, analyze its features, and choose the correct animal species from the options. You have 2 attempts per round.

Is Skulled free to play?

Yes! Skulled is completely free to play. Create an account to save your progress and compete on the leaderboard.

What game modes are available?

Skulled offers multiple modes: Classic (identify species), Progressive (identify taxonomy levels), Speedrun (60-second challenge), and Daily Challenge.

How do I collect skull cards?

Win games to earn card packs. Open packs to collect skull cards for your album. Rare and legendary cards are harder to find!

What is the Daily Challenge?

The Daily Challenge presents a new skull every day for all players worldwide. Compete with friends and see who can identify it first!

How does the Speedrun mode work?

In Speedrun mode, you have 60 seconds to identify as many skulls as possible. The faster and more accurate you are, the higher your score!

Can I play Skulled on my phone?

Yes! Skulled is a web-based game that works on any device with a modern browser - desktop, tablet, or mobile phone.

Is Skulled scientifically accurate?

Skulled uses real photographs of animal skulls and accurate scientific nomenclature. It is designed to be both a fun game and a valid educational tool for biology students and enthusiasts.

What animals are included in the game?

Skulled features a wide variety of vertebrates including mammals, birds, reptiles, and amphibians from all continents.

Daily Challenge · Wednesday

Challenge of October 14, 2026

Photos: Skull Index, Slow Cheetah Skeletons, Wikipedia

ClassicHarder than 96% of days

Horses

Equus ferus caballus

Mammalia/Perissodactyla/Equidae/Equus/Equus ferus caballus

Players: 56
Median time: 6 sec

Solved on try

141%
236%
30%
40%
×23%

Most confused with

Grévy's ZebraEquus grevyi16 of 56
Plains ZebraEquus quagga16 of 56
Javan RhinocerosRhinoceros sondaicus9 of 56

Photos: Slow Cheetah Skeletons, Skullbase, Wikipedia

TaxonomyHarder than 54% of days

Yellow Baboon

Papio cynocephalus

Where the community fell · players: 54

ClassMammalia98%
OrderPrimates98%
FamilyCercopithecidae78%
20% fell here · Most picked wrong answer: Hystricidae (2 of 53)
GenusPapio65%
SpeciesPapio cynocephalus48%

48% reached the species

Skull MatchHarder than 83% of days

The skulls

Clouded Leopard [Mainland]Neofelis nebulosa
SablesMartes zibellina
Asian Leopard CatsPrionailurus bengalensis
Snow LeopardPanthera uncia

Decoy namesOcelot, African golden cat

Players: 52
Matched them all: 40%
Mistakes on average: 3.7

Most common swap

Clouded Leopard [Mainland] taken for Ocelot×17
Asian Leopard Cats taken for Ocelot×17
Asian Leopard Cats taken for African golden cat×17

Speed RunHarder than 94% of days

The race

Players: 50
Finished: 70%
Median time: 37 sec
Median score: 5,209
Best score: 7,535

Skulls reached

1070%
96%
810%
66%
52%
32%
22%
12%

The skulls of the race · players: 50

1. Domestic Pig – Feral100% on the first try
2. Blue Duiker69% on the first try
3. Coypu54% on the first try
4. Emerald tree boa72% on the first try
5. Eurasian Lynxes66% on the first try
6. Black tamarin41% on the first try
7. Snow Leopard63% on the first try
8. South American Fur Seals49% on the first try
9. Siamang61% on the first try
10. Mazama Pocket Gopher77% on the first try

Toughest skull: South American Fur Seals · 51% fell here · median time 2.2 sec

Odd One OutHarder than 86% of days

The odd ones out

Players: 44
Won: 73%
Found on average: 3.1/5

Round 1 of 5 · Class
the three: Reptilia·intruder: Amphibia
- Asian common toadDuttaphrynus melanostictus
- Ball PythonsPython regius
- American AlligatorAlligator mississippiensis
- Green Sea TurtleChelonia mydas
66% on the first try · 18% on the second · 80% named the group
Round 2 of 5 · Order
the three: Rodentia·intruder: Eulipotyphla
- Mazama Pocket GopherThomomys mazama
- Brazilian PorcupineCoendou prehensilis
- Lesser Egyptian JerboaJaculus jaculus
- European MolesTalpa europaea
89% on the first try · 7% on the second · 93% named the group
Round 3 of 5 · Family
the three: Sciuridae·intruder: Cricetidae
- Meadow VoleMicrotus pennsylvanicus
- White-Tailed Prairie DogCynomys leucurus
- Eastern gray squirrelSciurus carolinensis
- European ground squirrelSpermophilus citellus
23% on the first try · 14% on the second · 27% named the group · 64% fell here
Round 4 of 5 · Genus
the three: Mustela·intruder: Martes
- American MartenMartes americana
- European polecatMustela putorius
- Irish stoatMustela erminea hibernica
- European steppe polecatMustela eversmanii hungarica
20% on the first try · 30% on the second · 30% named the group
Round 5 of 5 · Species
the three: Panthera pardus·intruder: Panthera onca
- JaguarPanthera onca
- LeopardPanthera pardus
- LeopardPanthera pardus
- Javan LeopardsPanthera pardus melas
5% on the first try · 39% on the second · 25% named the group

Play today’s challenge Past challenges

Challenge of October 14, 2026

Photos: Skull Index, Slow Cheetah Skeletons, Wikipedia

ClassicHarder than 96% of days

Horses

Equus ferus caballus

Mammalia/Perissodactyla/Equidae/Equus/Equus ferus caballus

Players: 56
Median time: 6 sec

Solved on try

141%
236%
30%
40%
×23%

Most confused with

Grévy's ZebraEquus grevyi16 of 56
Plains ZebraEquus quagga16 of 56
Javan RhinocerosRhinoceros sondaicus9 of 56

Photos: Slow Cheetah Skeletons, Skullbase, Wikipedia

TaxonomyHarder than 54% of days

Yellow Baboon

Papio cynocephalus

Where the community fell · players: 54

ClassMammalia98%
OrderPrimates98%
FamilyCercopithecidae78%
20% fell here · Most picked wrong answer: Hystricidae (2 of 53)
GenusPapio65%
SpeciesPapio cynocephalus48%

48% reached the species

Skull MatchHarder than 83% of days

The skulls

Clouded Leopard [Mainland]Neofelis nebulosa
SablesMartes zibellina
Asian Leopard CatsPrionailurus bengalensis
Snow LeopardPanthera uncia

Decoy namesOcelot, African golden cat

Players: 52
Matched them all: 40%
Mistakes on average: 3.7

Most common swap

Clouded Leopard [Mainland] taken for Ocelot×17
Asian Leopard Cats taken for Ocelot×17
Asian Leopard Cats taken for African golden cat×17

Speed RunHarder than 94% of days

The race

Players: 50
Finished: 70%
Median time: 37 sec
Median score: 5,209
Best score: 7,535

Skulls reached

1070%
96%
810%
66%
52%
32%
22%
12%

The skulls of the race · players: 50

1. Domestic Pig – Feral100% on the first try
2. Blue Duiker69% on the first try
3. Coypu54% on the first try
4. Emerald tree boa72% on the first try
5. Eurasian Lynxes66% on the first try
6. Black tamarin41% on the first try
7. Snow Leopard63% on the first try
8. South American Fur Seals49% on the first try
9. Siamang61% on the first try
10. Mazama Pocket Gopher77% on the first try

Toughest skull: South American Fur Seals · 51% fell here · median time 2.2 sec

Odd One OutHarder than 86% of days

The odd ones out

Players: 44
Won: 73%
Found on average: 3.1/5

Round 1 of 5 · Class
the three: Reptilia·intruder: Amphibia
- Asian common toadDuttaphrynus melanostictus
- Ball PythonsPython regius
- American AlligatorAlligator mississippiensis
- Green Sea TurtleChelonia mydas
66% on the first try · 18% on the second · 80% named the group
Round 2 of 5 · Order
the three: Rodentia·intruder: Eulipotyphla
- Mazama Pocket GopherThomomys mazama
- Brazilian PorcupineCoendou prehensilis
- Lesser Egyptian JerboaJaculus jaculus
- European MolesTalpa europaea
89% on the first try · 7% on the second · 93% named the group
Round 3 of 5 · Family
the three: Sciuridae·intruder: Cricetidae
- Meadow VoleMicrotus pennsylvanicus
- White-Tailed Prairie DogCynomys leucurus
- Eastern gray squirrelSciurus carolinensis
- European ground squirrelSpermophilus citellus
23% on the first try · 14% on the second · 27% named the group · 64% fell here
Round 4 of 5 · Genus
the three: Mustela·intruder: Martes
- American MartenMartes americana
- European polecatMustela putorius
- Irish stoatMustela erminea hibernica
- European steppe polecatMustela eversmanii hungarica
20% on the first try · 30% on the second · 30% named the group
Round 5 of 5 · Species
the three: Panthera pardus·intruder: Panthera onca
- JaguarPanthera onca
- LeopardPanthera pardus
- LeopardPanthera pardus
- Javan LeopardsPanthera pardus melas
5% on the first try · 39% on the second · 25% named the group

Challenge of October 14, 2026

Horses

Yellow Baboon

The skulls

The race

The odd ones out

Challenge of 28 de setembro

Lobo-guará

Lobo-guará

Challenge of October 14, 2026

Horses

Yellow Baboon

The skulls

The race

The odd ones out