The engine is a little disappointing, when i compare it to a game like Unreal Tournament, which has been around quite some time. I really like this kind of games, but this one couldn't convince me to play more than half an hour. The levels are nice and big. It surprises me how many bullets the enemies can take before they die. What is realistic is that you can also miss them, instead of shooting at exactly one point your gun shakes a little while firing, which causes the line of fire to move a little.
Characters have little movement.
Movement is not fluently. The characters have little movement, so they're not very realistic. The guns and rifles sound very realistic. You can also hear the Vietnamese talking when they're near. The game looks and feels as if it's released at least one year ago.