a gravity slingshot puzzle

Perihelion

Pull back. Let go. Let gravity do the rest.

trail

drag to aim · release to launch · tap mid-flight to retry · ←→↑↓ fine-tune · space launch / fast-forward

Campaign

Forge Pick a body, then click space to place it. Drag to move. Scroll or use −/+ to resize.

charting system

cookies

Your progress is saved on this device. With your OK we'd also use Google Analytics to see which systems people get stuck on. No ads, nothing sold.