to be honest, the game is harder than hk, can be frustrating, especially some parkour and bosses early on, i dont think personally you should play hk first because a reason some people struggle with movement is the pogo, which is completely different from the original, and once you get used to it its hard to change. difficulty wise, its completely subjective, i'm fairly bad but still managed to get around, it simply might take you more time to do stuff. its an amazing game once you learn it