In some CSLA buildings, window glass causes smoke and light flares to be invisible when viewed through it. This presents balance and gameplay issues when using these buildings - for example, a player might see through a smokescreen by using one of these windows, or be unable to spot an approaching vehicle with its lights on.
Buildings discovered where smoke and light flares are invisible:
Buildings discovered where smoke and light flares are visible in front of the glass on heavily patterned windows:
This list may not be complete.