Complex sentence: While 2D graphics used to be the norm for games released through the mid- 1990s, most games from AAA companies now boast full 3D graphics, even for games which are largely 2D in nature, such as "Civilization III".
Split into simpler sentences: While 2D graphics used to be the norm for games released through the mid- 1990s, most games now boast full 3D graphics. This is true even for games which are largely 2D in nature, such as "Civilization III".