How to sail
Your ship always sails forward. Keep tapping to stay afloat between the clouds and the sand, and fire your bow cannon at anything flying a navy flag.
| Keyboard and mouse | Phone or tablet | |
|---|---|---|
| Sail up | Space ↑ W or left-click | The SAIL button, or tap anywhere on the sea |
| Fire | F X → or right-click | The FIRE button. Hold it to keep firing |
| Pause | P or Esc | The pause button in the top corner |
Got a game controller? Xbox and PlayStation controllers work too: A sails, B or X fires (hold it to keep firing), and Menu pauses.
What's out there
Cannonballs fly straight through storm clouds but bury themselves in sandbars, so a sandbar is cover for you and for them.
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British frigate
Quick and nosy. It follows your height and fires one aimed shot at a time. One hit sinks it, for 5 points.
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Spanish galleon
Slow, tubby and hard to sink. It takes three hits and fires fans of three shots. Worth 15 points.
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HMS Invincible
A three-deck man-o'-war waiting at reef 40. When its gun decks glow, find the gap in the wall of shot. Worth 100 points.
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Storms
They roll in at reef 20. Rain, lightning and gusts that shove your ship around, but every reef counts double.
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Treasure and powder kegs
Chests are worth 10 points. A powder keg loads your cannon for five seconds of rapid fire.
Have a look
A frigate on your tail. 
Storms count double. 
HMS Invincible's broadside. 
The seas are yours, captain.
Two ways to play
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In your browser
Choose Set sail. Nothing to install, and it works on phones, tablets and computers.
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From your home screen
iPhone and iPad: open the game in Safari, tap Share, then Add to Home Screen.
Android, or Chrome and Edge on a computer: open the game and choose Install app from the menu.
Once installed it plays with no internet at all.
No accounts, no ads and no tracking. The game runs entirely on your device, and your best score never leaves it.
