Mask not working in-game

Help & Support
1

I have setup a square image as a child of a puzzle piece image(mask).
In the editor it’s just like i expected i got this result:
image

But when i click play and enter game mode, the mask just isn’t working:
image

Do you guys know what could i be doing wrong?
Thanks in advance for the attention ^^

3

of course, here it is.
https://playcanvas.com/project/576131/overview/jigsaw-2

4

This thread can be closed, i haven’t managed to fix it, but i will no longer need it. ty.