Squat scores are really bad

I've been playing Ringfit for about a month and am really loving it. But whenever I go into one of those game gyms where I have to do 4 leg exercises, my squat and wide squat scores are terrible - like 15 and 30 (out of 100). I feel like my legs are pretty close to a 90 degree angle when I squat...I don't know how I could do much better. Is it possible my leg strap is on the wrong part of my leg? Or do I actually need to squat much deeper?