You infiltrated island through train tunnel. Your primary objective is to stop development of biological weapons by destroying secret energy site.
But it will not be easy, because you will have to deal with a lot of AI, and find your way to energy site.
Large island with nice design, and beautiful country. There is large amount of enemies as well as lot of action.
About the Mod:
There are a lot of hidden ladders, or holes, that you have to find. At first try find it by yourself, and after set-up time you will be instructed where to go to prevent stuck.
Try to Finish this level, it has nice ending, with explosions, and all the stuff.
MUSIC: It plays automatically at checkpoint if you die, and load quicksave (not checpoint) music stops playing, sometimes it repeats in certain areas.
if you do not like music, press P on your keyboard, and music stops playing instantly.