Tap the game to open it fullscreen. On a computer, Esc exits; on a phone, use the ✕ button.

How to play

There are 16 face-down cards forming 8 pairs of objects. Turn two at a time; if they match, they stay open. Find all the pairs with at most 10 mistakes.

The story behind it

Grave Bj 581 at Birka was excavated in the 19th century, and the skeleton was read as a warrior’s. In 2017, DNA showed it was a woman. What she did in life is still debated. The pairs game is made up. Read the story in The Birka warrior: the grave excavated in 1878 and the debate DNA reopened in 2017.