Developers and enthusiasts often use GitHub Pages (the github.io domain) to host modified versions of the game. These versions are preferred over the original for several reasons:

Toss your axe into green "ghost" walls to create temporary platforms.

If you're looking to dive into the competitive side of this indie hit, the Choppy Orc Speedrun.com page is the best place to find the latest active GitHub links used by the pros. GitHub Pages documentation Choppy Orc autosplitter

Since the site is hosted via GitHub Pages, you can often find the underlying code or the specific repository associated with the projects discussed by visiting the author's GitHub profile at github.com/jonbottarini .