where do I go to play v1.3 unblocked of slope for it to count on the leaderboard? I have a website to play it on but it isn't the same as others

https://slopenexus.github.io/games/ here's all the versions (except for 2014)

Slope Game requires both short-term reaction and long-term planning, rewarding players who can balance instant decisions with an eye on what’s coming next down the twisting, glowing path.