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

How to play

The serpent moves on its own. Tap the left half of the screen to turn left and the right half to turn right, or use the arrow keys. Collect 12 gold coins; with each coin the body grows and the speed rises. Hitting the shore or your own body ends the game.

The story behind it

In Icelandic folklore, a worm grew in the lake Lagarfljót after being thrown into it with a gold ring. The game is made up. Read the story in The Lagarfljót worm: the Icelandic lake monster that was filmed in 2012.