How to play

• Eight stones per side per end. Only the closest side scores, one point for each stone in the house closer than the opponent’s best.
• Aim with the mouse. Hold left click to charge, release to deliver. The dotted line predicts an unobstructed, unswept delivery. Stones can collide and change the result.
• Sweep by holding Space, the SWEEP button, or dragging with the left mouse button while your stone slides. Sweeping reduces friction and curl. Release to stop.
• E or right click reverses the curl. Right click during charging cancels the delivery. A/D finely adjusts direction; W/S or the wheel adjusts selected power. Space or DELIVER uses selected power.
• Stones touching a side line or wholly beyond the back line leave play. Short deliveries that have not touched another stone are removed at the hog line. Opponent guards cannot be removed by the first five deliveries: they are restored and your stone removed.
• The scoring side gives up the hammer. A blank end keeps it. Tied matches play extra ends.
• Arcade adaptation: shortened sheet, enlarged stones, assisted release, no no-tick rule, no sweeping after the tee, no team-position or brush regulations. Ends use the same camera direction.
• P / Escape pauses, ? opens help. Blur or a hidden tab pauses automatically. UI controls keep their native keyboard behavior.

Sport reference: World Curling. The simplifications above are intentional.

Take a breather.