How graphics improved in Wing Commander 1-3 (Kilrathi trilogy)

In this video, I will show how Origin's Wing Commander PC series (Kilrathi trilogy) graphics improved from Wing Commander 1 to Wing Commander III: Heart of the Tiger

English version of my video about evolution of graphics of Wing commander 1 ,2 and 3. WC1 was released on 1991 and WC3 in 1994.

Buy them from GOG

http://www.gog.com/game/wing_commander_1_2

http://www.gog.com/game/wing_commander_3_heart_of_the_tiger

Game by: Origin Systems / Electronic Arts