Looks like the format of the game prevents me from recording my playthrough with the default windows screen recorder. Can i get any help ?! :(

Can't speak for how to help with the windows default recorder but I'd recommend (in general, not just for this game) recording through OBS, its a more versatile recorder and will make things like this easy with screen/game captures. You might need to spend half an hour setting it up/learning the features but its well worth it in the long run.

Still won't work it just appers as a black screen :( kinda sad i wanted to put it on the leaderboard and try to improve. Game is quite fun and gives a OG platform vibe

Take a screenshot or video of what you've got on OBS, it captured for me just fine so hopefully its a quick fix.