HistoryDex

A few sample cards

Here are a few of the game's 1,000+ cards. Open a card to try its puzzle: where and when?

Venus of Willendorf

Toba supereruption

Domestication of the Dog

Confucius

Ancient Olympic Games

Conquests of Alexander the Great

Hijra of Muhammad

Voyage of the Mayflower

Taj Mahal

Haitian independence

Ghana Empire

Rai Stones

◆ Rarity: common, uncommon, rare, very rare — by the share of collectors who own the card.

Collect them in the app

In HistoryDex, you win each card by solving its riddle: where and when? Over 1,000 cards from all of world history, to collect solo or with friends.