Rival turf's score system

This is a [url=https://www.youtube.com/watch?v=bqgC7FDVEgY]gameplay[/url]. Score works in this way: when game start, some enemies appears, when you kill 1st, a face of enemy appears. That means that score is 1, when the 10th face is gotten, these faces are replaced by a 10 which is marked as blue and when the 10th 10 is gotten, these 10s are replaced by a 100 which is marked as yellow. In the frozen minute 53:21 score is 228. In my picture you can see 3 100s but the face is not visible at 100% (I'll re-post later). When you use an special attack, score is decreased by 5 points. I hope this information helps for proofs admins.