Here is the full list of all 15 Hot Squat achievements.
Do 125 squats in one round.
Do 75 squats in one round.
Do 250 squats in total.
Do 100 squats in total.
Do 25 squats in one round.
Do 50 squats in total.
Do 10 squats in one round.
Do 175 squats in one round.
Do 500 squats in total.
Do 1000 squats in total.
Do 10000 squats in total.
Do 250 squats in one round.
Do 400 squats in one round.
Do 500 squats in one round.
Do 25000 squats in total.