Check map

One of the three abandoned feature. Orphans.

Let me provide you the result at first:

See those tiny circles with dots flying around? Eric gurt once said that the option button was used for advanced path-finding among AI's and players, sadly it didn't come to PB2, and considered outdated for PB2.5. So basically all you can do for this option is check if player is possible to climb up using defib.

Anyways, let's expose those buttons.

Step 1: Open inspect mode using ctrl + shift + I or F12.

Step 2: Click the left top mouse button.

Step 3: Click this:

Step 4: Open the div_id = top panel and you will see a bunch of grey(commented) texts:

Step 5: Press those gray text, edit them with HTML and remove "<!--" and "-->" then press enter.

Here we go, then you have 3 more additional buttons, press the middle button to see the effects.

Due to paying a very high cost that would end up eating your PC resources, please only do experiment with structures which is simple and not too many structure than bring your PC into hibernation.