Platformer · Grappling

Skyhook Sprint

Swing through ten handcrafted time-trial courses, attaching to nearby anchors, preserving release momentum, and recovering quickly from checkpoints.

Overview

Skyhook Sprint is a ten-level grappling time trial built around attachment, pendulum motion, and release timing. Each course places glowing anchors above gaps, platforms, low ceilings, or alternating obstacles, then asks you to reach the finish flag as quickly as possible. Holding the hook attaches to the nearest anchor inside range and fixes the rope at its current length. Gravity and steering build a swing while the rope constraint removes outward velocity, and releasing preserves the remaining tangential momentum for the next jump. The simulation divides every rendered frame into fixed 120Hz physics steps, keeping the rope stable across different display refresh rates. Later courses introduce high arcs, tight slalom routes, multiple gaps, long anchor chains, and narrow passages where attaching to the nearest point is not always the fastest choice. Checkpoints provide practical restart positions, while per-level best times and a combined ten-course record are stored locally.

How to Play

Hold Space, W, Up, the primary pointer button, or the on-screen Hook control to connect to the nearest available anchor. Release the input to detach and carry your swing velocity forward. Steer with A and D, Left and Right, or the mobile steering buttons. Press R or tap Reset to return immediately to the latest checkpoint, and press P to pause. Pass close to a checkpoint flag to activate it, then enter the glowing finish area to complete the level. The next course starts from the completion panel, while Retry repeats the current course for a better time.

Tips & Strategy

Attach while moving across an anchor rather than directly beneath it. A diagonal rope gives gravity room to convert height into horizontal speed, whereas hooking at the bottom of the arc often produces little useful acceleration. Hold until the player approaches the forward side of the swing, then release while velocity points toward the next anchor or platform. Steering is an adjustment, not a replacement for momentum: use short inputs to shape the arc and avoid holding against the swing for too long. The nearest anchor rule means position controls which hook you receive, so release early when you need to enter the next anchor's range before another point becomes closer. On low-ceiling levels, shorter, flatter swings are safer than maximum arcs. Use checkpoints during learning runs, but reset quickly after a poor approach when chasing a record. A clean release that preserves speed is usually worth more than taking the shortest geometric line, because rebuilding momentum after a vertical drop costs several seconds.

What Makes It Distinct

The hook is not a scripted pull toward a target. It creates a physical constraint and leaves speed under the player's control, so the same anchor chain can support cautious platform-to-platform movement or a continuous high-speed route. Quick checkpoint resets keep experimentation inexpensive, while exact best times turn every level into a route-optimization problem after the first completion.

Controls

Keyboard
A/D or Left/Right — steerSpace, W, or Up — hold the grappling hookRelease the hook key — preserve swing momentumR — restart from checkpointP — pause
Mouse
Hold the primary button over the playfield to attach to the nearest glowing anchor, then release to fling forward.
Touch
Hold Hook to grapple, use the left and right controls to steer during the swing, and tap Reset to return to the checkpoint.

Features

  • Ten handcrafted time-trial levels
  • Fixed 120Hz rope-physics substeps
  • Momentum-preserving hook release
  • Checkpoints and fast restart
  • Per-level and combined best times
  • Keyboard, pointer, and full touch controls