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Rope Swing

A rope pulls. It never pushes.

Controls · Hold to grab a rope, release to fly — mouse, touch or space

Distance0
Speed0
Best0

Hold to rope the marked anchor · Release at the bottom of the arc · Nothing in range means no rope

About Rope Swing

Rope Swing is one heavy point, gravity, and an endless line of anchors. Hold to throw a rope at the nearest one ahead of you, release to fly on whatever momentum you built. The ground is fatal and distance is the score.

Everything interesting comes from one property of a rope: it pulls, and it never pushes. Swing on a rigid bar and you leave at the speed you arrived. Swing on a rope and you can fall freely inside the arc, arrive at the bottom faster than you started, and take that speed with you when you let go. Release too early and you have not gained anything; release too late and the pendulum has already begun carrying you backwards and up. The window is about a fifth of a second wide and it is the whole game.

How to play

  1. Hold the mouse, your finger or the space bar to throw a rope at the highlighted anchor.
  2. Keep holding to swing. Let go to release and fly on your current momentum.
  3. Release at the bottom of the arc for flat speed; release later to trade speed for height.
  4. Only anchors ahead of you and above you can be roped, and only within range. If nothing is highlighted, there is no rope to throw.
  5. Touching the ground ends the run. Distance travelled is your score.

Five tips that actually move your score

  • Grab early, release late — but not too late. Throwing the rope while you are still flying toward an anchor costs nothing, because the rope stays slack until you swing past it. Grabbing after you have passed it snaps the rope taut and kills your speed outright.
  • The bottom of the arc is the fast point. That is where all the height you traded has turned into forward speed. Every metre you swing past it is speed being converted back into height you did not ask for.
  • Height is a savings account. When the anchors ahead look sparse, release late on purpose. Arriving high gives you more time to find the next rope and a longer fall to convert.
  • Do not chase every anchor. A long flat flight past two anchors to reach a well-placed third is usually faster than swinging on all three. Each grab costs a little speed to the taut-rope snap.
  • When you are low and slow, take the first rope you can reach. The run is already going badly; a mediocre swing that gets you airborne beats holding out for a good one you will not live to reach.

Frequently asked questions

Why does grabbing late slow me down so much?
Because the rope goes taut instantly and the position correction absorbs the whole component of your velocity pointing away from the anchor. A rope has no give — that snap is physically correct and it is the main thing that punishes bad timing.
How do I actually gain speed?
By staying on the rope through the bottom of the swing. While the rope is taut you reel in slightly each frame, which does work against the tension — the same thing a person on a real rope does by pulling with their arms and tucking their knees.
Does the course get harder?
The anchors spread further apart as you travel, and that is the only thing that changes. There is no speed multiplier and no timer.
Can I play it with one hand on a phone?
Yes. The entire game is hold and release, anywhere on the board.
Guide · 12 min read Five Bugs I Wrote Into a 276-Line Physics Engine Read →
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