oh yeah i forgot to tell my specs my bad,
im on windows 10, on a ryzen 5 3600 and a rtx 2070
ive also trying lowering resolution to minimum to see if it helped but it didnt
So I did some research, and it seems like this is a dumb GameMaker engine-side issue, but luckily there's a PC-side fix:
https://forum.yoyogames.com/index.php?threads/solved-game-not-running-at-60-fps-...