Ground Force Zero

In Ground Force Zero the player controls a plane that is low on fuel as it
approaches a built-up city (which is generated randomly for each game). To
avoid disaster the player must destroy the buildings below them, which are of
different heights. This is done by pressing the ‘b’ key as the plane passes
over a building, releasing a bomb and destroying the top few levels of a
building. If the plane is on the same level as a standing piece of building,
it will crash, meaning Game Over. There are 10 skill levels, with the higher
numbers generating taller buildings and thus reducing the margin for missing
the taller ones first.

Ground Force Zero