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 · Monday

Challenge of October 12, 2026

Photos: Slow Cheetah Skeletons, Wikipedia

ClassicHarder than 73% of days

Southern Needle-Clawed Bushbaby

Euoticus elegantulus

Mammalia/Primates/Galagidae/Euoticus/Euoticus elegantulus

Players: 72
Median time: 15 sec

Solved on try

153%
235%
30%
40%
×13%

Most confused with

Northern Greater GalagoOtolemur garnettii22 of 72
Senegal GalagosGalago senegalensis9 of 72
Alpine IbexCapra ibex1 of 72

Photos: Skullbase, Wikipedia

TaxonomyHarder than 55% of days

Northern white-breasted hedgehog

Erinaceus roumanicus

Where the community fell · players: 59

ClassMammalia97%
OrderEulipotyphla68%
29% fell here · Most picked wrong answer: Afrosoricida (3 of 58)
FamilyErinaceidae53%
GenusErinaceus51%
SpeciesErinaceus roumanicus47%

47% reached the species

Skull MatchEasier than 98% of days

The skulls

RazorbillsAlca torda
Grey HeronsArdea cinerea
White-throated toucanRamphastos tucanus
Eurasian reed warblerAcrocephalus scirpaceus

Decoy namesblack-browed albatross, Common Buzzards

Players: 61
Matched them all: 95%
Mistakes on average: 1.1

Most common swap

Razorbills taken for black-browed albatross×21
Razorbills taken for Common Buzzards×18
Eurasian reed warbler taken for black-browed albatross×9

Speed RunHarder than 99% of days

The race

Players: 54
Finished: 59%
Median time: 46 sec
Median score: 4,626
Best score: 7,785

Skulls reached

1059%
94%
84%
72%
66%
513%
42%
36%
22%
14%

The skulls of the race · players: 54

1. Short-beaked Echidnas83% on the first try
2. Sea Otter75% on the first try
3. Spotted Eagle Owl67% on the first try
4. Common Buzzards44% on the first try
5. Sika deer70% on the first try
6. Russian tortoise30% on the first try
7. Crab-Eating Mongoose49% on the first try
8. Canada lynx67% on the first try
9. Sand Cats65% on the first try
10. Proboscis Monkey59% on the first try

Toughest skull: Proboscis Monkey · 41% fell here · median time 2.1 sec

Odd One OutEasier than 65% of days

The odd ones out

Players: 52
Won: 94%
Found on average: 3.8/5

Round 1 of 5 · Class
the three: Mammalia·intruder: Aves
- KowariDasyuroides byrnei
- Diadem Leaf-Nosed BatHipposideros diadema
- Grévy's ZebraEquus grevyi
- Eurasian Blue TitsCyanistes caeruleus
96% on the first try · 4% on the second · 94% named the group
Round 2 of 5 · Order
the three: Rodentia·intruder: Eulipotyphla
- Lesser Egyptian JerboaJaculus jaculus
- Greater Cane RatsThryonomys swinderianus
- Mountain BeaverAplodontia rufa
- Coast moleScapanus orarius
98% on the first try · 0% on the second · 92% named the group
Round 3 of 5 · Family
the three: Hyaenidae·intruder: Viverridae
- Striped HyenasHyaena hyaena
- Masked Palm CivetPaguma larvata
- Spotted HyenasCrocuta crocuta
- AardwolvesProteles cristata
12% on the first try · 10% on the second · 15% named the group · 79% fell here
Round 4 of 5 · Genus
the three: Lynx·intruder: Caracal
- Carpathian lynxLynx lynx carpathicus
- BobcatLynx rufus
- Canada lynxLynx canadensis
- Nubian caracalCaracal caracal nubica
56% on the first try · 25% on the second · 62% named the group
Round 5 of 5 · Species
the three: Cercopithecus neglectus·intruder: Cercopithecus pogonias
- De Brazza’S MonkeyCercopithecus neglectus
- Crowned GuenonCercopithecus pogonias
- De Brazza’S MonkeyCercopithecus neglectus
- De Brazza’S MonkeyCercopithecus neglectus
40% on the first try · 35% on the second · 17% named the group

Play today’s challenge Past challenges

Challenge of October 12, 2026

Photos: Slow Cheetah Skeletons, Wikipedia

ClassicHarder than 73% of days

Southern Needle-Clawed Bushbaby

Euoticus elegantulus

Mammalia/Primates/Galagidae/Euoticus/Euoticus elegantulus

Players: 72
Median time: 15 sec

Solved on try

153%
235%
30%
40%
×13%

Most confused with

Northern Greater GalagoOtolemur garnettii22 of 72
Senegal GalagosGalago senegalensis9 of 72
Alpine IbexCapra ibex1 of 72

Photos: Skullbase, Wikipedia

TaxonomyHarder than 55% of days

Northern white-breasted hedgehog

Erinaceus roumanicus

Where the community fell · players: 59

ClassMammalia97%
OrderEulipotyphla68%
29% fell here · Most picked wrong answer: Afrosoricida (3 of 58)
FamilyErinaceidae53%
GenusErinaceus51%
SpeciesErinaceus roumanicus47%

47% reached the species

Skull MatchEasier than 98% of days

The skulls

RazorbillsAlca torda
Grey HeronsArdea cinerea
White-throated toucanRamphastos tucanus
Eurasian reed warblerAcrocephalus scirpaceus

Decoy namesblack-browed albatross, Common Buzzards

Players: 61
Matched them all: 95%
Mistakes on average: 1.1

Most common swap

Razorbills taken for black-browed albatross×21
Razorbills taken for Common Buzzards×18
Eurasian reed warbler taken for black-browed albatross×9

Speed RunHarder than 99% of days

The race

Players: 54
Finished: 59%
Median time: 46 sec
Median score: 4,626
Best score: 7,785

Skulls reached

1059%
94%
84%
72%
66%
513%
42%
36%
22%
14%

The skulls of the race · players: 54

1. Short-beaked Echidnas83% on the first try
2. Sea Otter75% on the first try
3. Spotted Eagle Owl67% on the first try
4. Common Buzzards44% on the first try
5. Sika deer70% on the first try
6. Russian tortoise30% on the first try
7. Crab-Eating Mongoose49% on the first try
8. Canada lynx67% on the first try
9. Sand Cats65% on the first try
10. Proboscis Monkey59% on the first try

Toughest skull: Proboscis Monkey · 41% fell here · median time 2.1 sec

Odd One OutEasier than 65% of days

The odd ones out

Players: 52
Won: 94%
Found on average: 3.8/5

Round 1 of 5 · Class
the three: Mammalia·intruder: Aves
- KowariDasyuroides byrnei
- Diadem Leaf-Nosed BatHipposideros diadema
- Grévy's ZebraEquus grevyi
- Eurasian Blue TitsCyanistes caeruleus
96% on the first try · 4% on the second · 94% named the group
Round 2 of 5 · Order
the three: Rodentia·intruder: Eulipotyphla
- Lesser Egyptian JerboaJaculus jaculus
- Greater Cane RatsThryonomys swinderianus
- Mountain BeaverAplodontia rufa
- Coast moleScapanus orarius
98% on the first try · 0% on the second · 92% named the group
Round 3 of 5 · Family
the three: Hyaenidae·intruder: Viverridae
- Striped HyenasHyaena hyaena
- Masked Palm CivetPaguma larvata
- Spotted HyenasCrocuta crocuta
- AardwolvesProteles cristata
12% on the first try · 10% on the second · 15% named the group · 79% fell here
Round 4 of 5 · Genus
the three: Lynx·intruder: Caracal
- Carpathian lynxLynx lynx carpathicus
- BobcatLynx rufus
- Canada lynxLynx canadensis
- Nubian caracalCaracal caracal nubica
56% on the first try · 25% on the second · 62% named the group
Round 5 of 5 · Species
the three: Cercopithecus neglectus·intruder: Cercopithecus pogonias
- De Brazza’S MonkeyCercopithecus neglectus
- Crowned GuenonCercopithecus pogonias
- De Brazza’S MonkeyCercopithecus neglectus
- De Brazza’S MonkeyCercopithecus neglectus
40% on the first try · 35% on the second · 17% named the group

Challenge of October 12, 2026

Southern Needle-Clawed Bushbaby

Northern white-breasted hedgehog

The skulls

The race

The odd ones out

Challenge of 28 de setembro

Lobo-guará

Lobo-guará

Challenge of October 12, 2026

Southern Needle-Clawed Bushbaby

Northern white-breasted hedgehog

The skulls

The race

The odd ones out