When testing the game within the browser we realized that it does not load the scene in the same way as from the PC, since it does not show the place where the character is but an outside place, so when we tested it several times, we realized that it is a small bug that is solved by pressing the designated key to crouch (Ctrl), Thank you very much and sorry.
Something that we forgot to mention, is that they must escape by car and the key to it is located next to a tomb hidden under bodies that grow in a tree, the ending explains many things