demonews.de have done a preview of Arma 2 and released some new screenshots as well as a couple of videos on their website. Below some facts we translated from the preview.
The whole preview which is in German can be found on the demonews.de website. You can view 5 new videos mainly concentrating on showing the choppers in Arma 2 on this page....The animations have been often been totally re-made. You can finally move over a fence to enter a garden. Jumping will definatly not be included in the game cause its totally unrealistic.
Maruk: When you are carrying 30 kilos of gear with you and also carrying a weapon you are really not going to jump around, believe me!...
...The single player campaign is called "Harvest Red"....
...Many decissions the player takes during the missions will influence the missions themselves as well as the outcome of the game...
Together with the videos and the preview also some new screens have been released:
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Source Armaholic news.