I was wondering the same thing, to undo the wrong. However not possible, even if you somehow lucky to killed all the ground units there will be never ending spawns of snipers on both sides of the rooftops. Making it impossible to proceed without using mortar. Dam linear. BigJohnWV (Topic Creator) 11 years ago #5. Spec Ops: The Line. $42.19 at Amazon. GameSpot may get a commission from retail offers. The wait for Spec Ops: The Line is over as the game finally launched today, but it has been replaced by the iB7by.