The phrase "player of all skill levels" means someone who can play a game or sport well, regardless of whether they are a beginner, intermediate, or advanced in their abilities. Full definition
Getting them all will be a challenge for players of every skill level! (nintendaily.com)
It will allow players of all skill levels to play together and share the experience. (nwiizone.com)
Full of new challenges to navigate, we are sure these new levels will keep players of all skill levels busy till the new year. (blog.us.playstation.com)