Here is the full list of all 10 Undress Tournament achievements.
Awarded for playing 100 matches.
Awarded for completing Chapter 4 of the Story.
Awarded for spinning the wheel 25 times.
Awarded for winning 50 Matches.
Awarded for fully completing the first region.
Awarded for completing Chapter 3 of the Story.
Awarded for collecting 10 girl cards.
Awarded for completing Chapter 2 of the Story.
Awarded for buying the pass to enter the vip club.
Awarded for completing Chapter 1 of the Story.