Physics Engine Game: "Soldier"

Info:
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You are a soldier in the forces of the Buttered-Side-Down Coalition. We have intelligence reports showing that the evil Buttered-Side-Up Pact forces are marshalling over the next hill, and we expect an attack on our compound very shortly. Your mission is to repel this attack, and then go on the offensive yourself, using a Jeep we have provided. Try to wipe out their guards and destroy their installations.

TIP: Try shooting out the base of the building on the hill in such a way that it falls over, rolls down the hill, and collides with the other building.

Controls:
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On the ground:
W: Jump
A: Walk left
D: Walk right
Mouse: Aim
Left mouse button: Fire
Space: Get in the vehicle

In the jeep:
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A: Drive left
D: Drive right
S: Back up

In the plane:
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Mouse: Aim
W: Accelerate
S: Decelerate
A: Turn left
D: Turn right
Left click: Fire machine gun
Right click: Drop bombs

In the Anti-Aircraft Gun:
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Mouse: Aim
Left click: Fire cannon

General:
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Q or Escape: Quit