Write mathematical curves and guide two sled riders through a painted mountain story. Original SineRider physics, graphing puzzles, goals, maps, hints and device saves; native plain-expression equation input. Silent edition; desktop keyboard recommended. Source: https://github.com/hackclub/sinerider/tree/ca2c0cc669ed19dc1c6869590762cdc0fa486115 (625 stars observed; AGPL-3.0; maintained February 2026). Metadata tags: github-source, game. Full modified source included.

sinerider-curvebound.skillsafe.ai

Run app here

PricingCompletely free

Security scanClean — skill and frontend scanned

Source hackclub/sinerider

Created2026-10-30

Updated2026-10-30

Every public app is built from a security-scanned skill and must pass a clean scan — skill and frontend — before it can be listed. Have a skill of your own? Turn it into an app — or read the step-by-step walkthrough.