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

How to play

You command the light pieces. Tap a marked square to place a piece: every dark piece trapped in a line between it and another of yours turns to your side. At the end, whoever has more pieces wins. Corners are worth a lot. Time is limited. (Keyboard: arrows and Space.)

The story behind it

In 937, at the battle of Brunanburh, King Æthelstan defeated an alliance of Norse, Scots and Britons. The board is made up for the game. Read the story in Brunanburh, 937: the battle where an English king faced Vikings, Scots and Britons.