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 28, 2026

Photos: Slow Cheetah Skeletons, Skullbase, Wikipedia

ClassicEasier than 88% of days

Yellow Baboon

Papio cynocephalus

Mammalia/Primates/Cercopithecidae/Papio/Papio cynocephalus

Players: 45
Median time: 5 sec

Solved on try

167%
233%
30%
40%

Most confused with

Olive Baboon/Yellow Baboon HybridPapio anubis x Papio cynocephalus4 of 45
Chacma Baboon/Yellow Baboon HybridPapio ursinus x Papio cynocephalus3 of 45
Olive BaboonPapio anubis2 of 45

Photos: Slow Cheetah Skeletons, Wikipedia

TaxonomyEasier than 86% of days

Swift Fox

Vulpes velox

Where the community fell · players: 43

ClassMammalia93%
OrderCarnivora88%
FamilyCanidae86%
GenusVulpes84%
SpeciesVulpes velox74%
9% fell here · Most picked wrong answer: American Red Foxes (4 of 36)

74% reached the species

Skull MatchEasier than 91% of days

The skulls

Red-Billed ChoughPyrrhocorax pyrrhocorax
MallardsAnas platyrhynchos
Eurasian jayGarrulus glandarius
European goldfinchCarduelis carduelis

Decoy namesAfrican Grey Hornbill, Ferruginous duck

Players: 43
Matched them all: 93%
Mistakes on average: 1.2

Most common swap

Mallards taken for Ferruginous duck×14
European goldfinch taken for African Grey Hornbill×6
Red-Billed Chough taken for African Grey Hornbill×4

Speed RunEasier than 87% of days

The race

Players: 40
Finished: 85%
Median time: 34 sec
Median score: 6,689
Best score: 8,645

Skulls reached

1085%
95%
83%
73%
53%
13%

The skulls of the race · players: 40

1. Raccoon Dogs (Tanuki)68% on the first try
2. Common Eland74% on the first try
3. Scrub Hare85% on the first try
4. Middle Russian stoat74% on the first try
5. Minipizza Batfishes79% on the first try
6. Cheetah68% on the first try
7. Snowshoe Hare50% on the first try
8. Four Toed Hedgehogs43% on the first try
9. American Hog-Nosed Skunk47% on the first try
10. Bobcat79% on the first try

Toughest skull: Four Toed Hedgehogs · 57% fell here · median time 3.1 sec

Odd One OutEasier than 67% of days

The odd ones out

Players: 37
Won: 92%
Found on average: 3.8/5

Round 1 of 5 · Class
the three: Amphibia·intruder: Mammalia
- European Common FrogsRana temporaria
- Smooth NewtLissotriton vulgaris
- Asian common toadDuttaphrynus melanostictus
- SiamangSymphalangus syndactylus
95% on the first try · 5% on the second · 95% named the group
Round 2 of 5 · Order
the three: Strigiformes·intruder: Piciformes
- Choco ToucanRamphastos brevis
- Spotted Eagle OwlBubo africanus
- Tawny OwlStrix aluco
- Western Barn OwlTyto alba
100% on the first try · 0% on the second · 51% named the group
Round 3 of 5 · Family
the three: Cercopithecidae·intruder: Atelidae
- Grey-Cheeked MangabeyLophocebus albigena
- Colombian Red HowlerAlouatta seniculus
- Proboscis MonkeyNasalis larvatus
- Patas monkeyErythrocebus patas
19% on the first try · 32% on the second · 32% named the group
Round 4 of 5 · Genus
the three: Panthera·intruder: Acinonyx
- African LeopardPanthera pardus pardus
- CheetahAcinonyx jubatus
- Snow LeopardPanthera uncia
- LionPanthera leo
32% on the first try · 16% on the second · 46% named the group · 51% fell here
Round 5 of 5 · Species
the three: Vulpes lagopus·intruder: Vulpes pallida
- Arctic FoxesVulpes lagopus
- Arctic FoxesVulpes lagopus
- Pale foxVulpes pallida
- Arctic FoxesVulpes lagopus
59% on the first try · 19% on the second · 43% named the group

Play today’s challenge Past challenges

Challenge of October 28, 2026

Photos: Slow Cheetah Skeletons, Skullbase, Wikipedia

ClassicEasier than 88% of days

Yellow Baboon

Papio cynocephalus

Mammalia/Primates/Cercopithecidae/Papio/Papio cynocephalus

Players: 45
Median time: 5 sec

Solved on try

167%
233%
30%
40%

Most confused with

Olive Baboon/Yellow Baboon HybridPapio anubis x Papio cynocephalus4 of 45
Chacma Baboon/Yellow Baboon HybridPapio ursinus x Papio cynocephalus3 of 45
Olive BaboonPapio anubis2 of 45

Photos: Slow Cheetah Skeletons, Wikipedia

TaxonomyEasier than 86% of days

Swift Fox

Vulpes velox

Where the community fell · players: 43

ClassMammalia93%
OrderCarnivora88%
FamilyCanidae86%
GenusVulpes84%
SpeciesVulpes velox74%
9% fell here · Most picked wrong answer: American Red Foxes (4 of 36)

74% reached the species

Skull MatchEasier than 91% of days

The skulls

Red-Billed ChoughPyrrhocorax pyrrhocorax
MallardsAnas platyrhynchos
Eurasian jayGarrulus glandarius
European goldfinchCarduelis carduelis

Decoy namesAfrican Grey Hornbill, Ferruginous duck

Players: 43
Matched them all: 93%
Mistakes on average: 1.2

Most common swap

Mallards taken for Ferruginous duck×14
European goldfinch taken for African Grey Hornbill×6
Red-Billed Chough taken for African Grey Hornbill×4

Speed RunEasier than 87% of days

The race

Players: 40
Finished: 85%
Median time: 34 sec
Median score: 6,689
Best score: 8,645

Skulls reached

1085%
95%
83%
73%
53%
13%

The skulls of the race · players: 40

1. Raccoon Dogs (Tanuki)68% on the first try
2. Common Eland74% on the first try
3. Scrub Hare85% on the first try
4. Middle Russian stoat74% on the first try
5. Minipizza Batfishes79% on the first try
6. Cheetah68% on the first try
7. Snowshoe Hare50% on the first try
8. Four Toed Hedgehogs43% on the first try
9. American Hog-Nosed Skunk47% on the first try
10. Bobcat79% on the first try

Toughest skull: Four Toed Hedgehogs · 57% fell here · median time 3.1 sec

Odd One OutEasier than 67% of days

The odd ones out

Players: 37
Won: 92%
Found on average: 3.8/5

Round 1 of 5 · Class
the three: Amphibia·intruder: Mammalia
- European Common FrogsRana temporaria
- Smooth NewtLissotriton vulgaris
- Asian common toadDuttaphrynus melanostictus
- SiamangSymphalangus syndactylus
95% on the first try · 5% on the second · 95% named the group
Round 2 of 5 · Order
the three: Strigiformes·intruder: Piciformes
- Choco ToucanRamphastos brevis
- Spotted Eagle OwlBubo africanus
- Tawny OwlStrix aluco
- Western Barn OwlTyto alba
100% on the first try · 0% on the second · 51% named the group
Round 3 of 5 · Family
the three: Cercopithecidae·intruder: Atelidae
- Grey-Cheeked MangabeyLophocebus albigena
- Colombian Red HowlerAlouatta seniculus
- Proboscis MonkeyNasalis larvatus
- Patas monkeyErythrocebus patas
19% on the first try · 32% on the second · 32% named the group
Round 4 of 5 · Genus
the three: Panthera·intruder: Acinonyx
- African LeopardPanthera pardus pardus
- CheetahAcinonyx jubatus
- Snow LeopardPanthera uncia
- LionPanthera leo
32% on the first try · 16% on the second · 46% named the group · 51% fell here
Round 5 of 5 · Species
the three: Vulpes lagopus·intruder: Vulpes pallida
- Arctic FoxesVulpes lagopus
- Arctic FoxesVulpes lagopus
- Pale foxVulpes pallida
- Arctic FoxesVulpes lagopus
59% on the first try · 19% on the second · 43% named the group

Challenge of October 28, 2026

Yellow Baboon

Swift Fox

The skulls

The race

The odd ones out

Challenge of 28 de setembro

Lobo-guará

Lobo-guará

Challenge of October 28, 2026

Yellow Baboon

Swift Fox

The skulls

The race

The odd ones out