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 · Thursday

Challenge of October 8, 2026

Photos: Skull Index, Slow Cheetah Skeletons, Wikipedia

ClassicEasier than 57% of days

Caracal

Caracal caracal

Mammalia/Carnivora/Felidae/Caracal/Caracal caracal

Players: 34
Median time: 6 sec

Solved on try

165%
226%
30%
40%
×9%

Most confused with

Nubian caracalCaracal caracal nubica6 of 34
African golden catCaracal aurata3 of 34
Greater Hog BadgersArctonyx collaris1 of 34

Photos: Skullbase, Wikipedia

TaxonomyHarder than 71% of days

Eurasian woodcock

Scolopax rusticola

Where the community fell · players: 31

ClassAves100%
OrderCharadriiformes68%
32% fell here · Most picked wrong answer: Pelecaniformes (4 of 31)
FamilyScolopacidae55%
GenusScolopax42%
SpeciesScolopax rusticola39%

39% reached the species

Skull MatchHarder than 58% of days

The skulls

Yellow BaboonPapio cynocephalus
Rhesus MacaqueMacaca mulatta
MandrillMandrillus sphinx
Uganda mangabeyLophocebus ugandae

Decoy namesGrivet, Gabon Talapoin

Players: 33
Matched them all: 61%
Mistakes on average: 2.8

Most common swap

Uganda mangabey taken for Grivet×12
Rhesus Macaque taken for Grivet×9
Rhesus Macaque taken for Gabon Talapoin×8

Speed RunHarder than 89% of days

The race

Players: 33
Finished: 82%
Median time: 35 sec
Median score: 5,358
Best score: 7,543

Skulls reached

1082%
96%
83%
76%
33%

The skulls of the race · players: 33

1. Senegal Galagos45% on the first try
2. Coyotes76% on the first try
3. Daggertooth Pike Congers67% on the first try
4. Maned Wolves88% on the first try
5. Mexican Beaded Lizards78% on the first try
6. Golden Jackals59% on the first try
7. Crab-eating Macaque47% on the first try
8. Gemsbok60% on the first try
9. Wandering Albatross52% on the first try
10. Syrian Hamster63% on the first try

Toughest skull: Wandering Albatross · 48% fell here · median time 2.1 sec

Odd One OutEasier than 100% of days

The odd ones out

Players: 30
Won: 97%
Found on average: 4.2/5

Round 1 of 5 · Class
the three: Reptilia·intruder: Mammalia
- Spectacled CaimanCaiman crocodilus
- Chinese Softshell TurtlesPelodiscus sinensis
- Jackson's chameleonTrioceros jacksonii
- Eastern chimpanzeePan troglodytes schweinfurthii
80% on the first try · 3% on the second · 83% named the group
Round 2 of 5 · Order
the three: Piciformes·intruder: Passeriformes
- White-throated toucanRamphastos tucanus
- Channel-Billed ToucanRamphastos vitellinus
- Eurasian reed warblerAcrocephalus scirpaceus
- Keel-Billed ToucanRamphastos sulfuratus
100% on the first try · 0% on the second · 43% named the group
Round 3 of 5 · Family
the three: Mephitidae·intruder: Mustelidae
- Striped SkunksMephitis mephitis
- American Hog-Nosed SkunkConepatus leuconotus
- FishersPekania pennanti
- Molina's Hog-nosed SkunksConepatus chinga
70% on the first try · 27% on the second · 17% named the group
Round 4 of 5 · Genus
the three: Macaca·intruder: Colobus
- Rhesus MacaqueMacaca mulatta
- Crab-eating MacaqueMacaca fascicularis
- Mantled guerezaColobus guereza
- Celebes Crested MacaqueMacaca nigra
40% on the first try · 33% on the second · 3% named the group
Round 5 of 5 · Species
the three: Varecia variegata·intruder: Varecia rubra
- Black-And-White Ruffed LemurVarecia variegata
- Black-And-White Ruffed LemurVarecia variegata
- Black-And-White Ruffed LemurVarecia variegata
- Red Ruffed LemurVarecia rubra
47% on the first try · 23% on the second · 13% named the group · 30% fell here

Play today’s challenge Past challenges

Challenge of October 8, 2026

Photos: Skull Index, Slow Cheetah Skeletons, Wikipedia

ClassicEasier than 57% of days

Caracal

Caracal caracal

Mammalia/Carnivora/Felidae/Caracal/Caracal caracal

Players: 34
Median time: 6 sec

Solved on try

165%
226%
30%
40%
×9%

Most confused with

Nubian caracalCaracal caracal nubica6 of 34
African golden catCaracal aurata3 of 34
Greater Hog BadgersArctonyx collaris1 of 34

Photos: Skullbase, Wikipedia

TaxonomyHarder than 71% of days

Eurasian woodcock

Scolopax rusticola

Where the community fell · players: 31

ClassAves100%
OrderCharadriiformes68%
32% fell here · Most picked wrong answer: Pelecaniformes (4 of 31)
FamilyScolopacidae55%
GenusScolopax42%
SpeciesScolopax rusticola39%

39% reached the species

Skull MatchHarder than 58% of days

The skulls

Yellow BaboonPapio cynocephalus
Rhesus MacaqueMacaca mulatta
MandrillMandrillus sphinx
Uganda mangabeyLophocebus ugandae

Decoy namesGrivet, Gabon Talapoin

Players: 33
Matched them all: 61%
Mistakes on average: 2.8

Most common swap

Uganda mangabey taken for Grivet×12
Rhesus Macaque taken for Grivet×9
Rhesus Macaque taken for Gabon Talapoin×8

Speed RunHarder than 89% of days

The race

Players: 33
Finished: 82%
Median time: 35 sec
Median score: 5,358
Best score: 7,543

Skulls reached

1082%
96%
83%
76%
33%

The skulls of the race · players: 33

1. Senegal Galagos45% on the first try
2. Coyotes76% on the first try
3. Daggertooth Pike Congers67% on the first try
4. Maned Wolves88% on the first try
5. Mexican Beaded Lizards78% on the first try
6. Golden Jackals59% on the first try
7. Crab-eating Macaque47% on the first try
8. Gemsbok60% on the first try
9. Wandering Albatross52% on the first try
10. Syrian Hamster63% on the first try

Toughest skull: Wandering Albatross · 48% fell here · median time 2.1 sec

Odd One OutEasier than 100% of days

The odd ones out

Players: 30
Won: 97%
Found on average: 4.2/5

Round 1 of 5 · Class
the three: Reptilia·intruder: Mammalia
- Spectacled CaimanCaiman crocodilus
- Chinese Softshell TurtlesPelodiscus sinensis
- Jackson's chameleonTrioceros jacksonii
- Eastern chimpanzeePan troglodytes schweinfurthii
80% on the first try · 3% on the second · 83% named the group
Round 2 of 5 · Order
the three: Piciformes·intruder: Passeriformes
- White-throated toucanRamphastos tucanus
- Channel-Billed ToucanRamphastos vitellinus
- Eurasian reed warblerAcrocephalus scirpaceus
- Keel-Billed ToucanRamphastos sulfuratus
100% on the first try · 0% on the second · 43% named the group
Round 3 of 5 · Family
the three: Mephitidae·intruder: Mustelidae
- Striped SkunksMephitis mephitis
- American Hog-Nosed SkunkConepatus leuconotus
- FishersPekania pennanti
- Molina's Hog-nosed SkunksConepatus chinga
70% on the first try · 27% on the second · 17% named the group
Round 4 of 5 · Genus
the three: Macaca·intruder: Colobus
- Rhesus MacaqueMacaca mulatta
- Crab-eating MacaqueMacaca fascicularis
- Mantled guerezaColobus guereza
- Celebes Crested MacaqueMacaca nigra
40% on the first try · 33% on the second · 3% named the group
Round 5 of 5 · Species
the three: Varecia variegata·intruder: Varecia rubra
- Black-And-White Ruffed LemurVarecia variegata
- Black-And-White Ruffed LemurVarecia variegata
- Black-And-White Ruffed LemurVarecia variegata
- Red Ruffed LemurVarecia rubra
47% on the first try · 23% on the second · 13% named the group · 30% fell here

Challenge of October 8, 2026

Caracal

Eurasian woodcock

The skulls

The race

The odd ones out

Challenge of 28 de setembro

Lobo-guará

Lobo-guará

Challenge of October 8, 2026

Caracal

Eurasian woodcock

The skulls

The race

The odd ones out