hi this is a walkthrough of Tactical Assasin:Substratum

mission 1:kill the man wearing a hat

egg:shoot the can lying near the dustbin

mission 2:kill the guy that answers the door not the pizza delivery man

egg:shoot the bird in the fence from the right

mission 3:kill the guy with the pickup truck

egg:shoot the middle bulb the left set of traffic lights

mission 4:kill the guy who is answering the call the one in the left

egg:The sign board that is sticking out on the left

mission 5:sorry this is really hard and i dont know how to explain it but you need timing or something

mission 6:first shoot the guard in the corridor then the guard near the gate lastly the guard near the truck

egg:shoot the doorbell

mission 7:he is in the right in the upper floor near two guys

egg:the extra peg at the bottom

mission 8:kill the driver of the first car then shoot the backseat of the second car

egg:shoot the bird in top of the wire

mission 9:first shoot the left guy below then the right guy near him next shoot the guy that will pop out in the back

egg:shoot the bottle near the plastics near it in the back

you win!