Complete the following achievements to unlock Xbox Live Gamerscore points.
Additionally there is one secret achievement.
Wait until your target collects the intel. He will start walking around the map. Follow him until he arrives at a fountain. On one wall is scaffolding with a rock on top. Wait until your shot is covered, then aim for the explosive barrel at the bottom of the scaffolding. The construction will collapse and bury your target. If you get spotted and he stops walking (and will not continue after your hide), try to attract him to the location step by step by throwing stones .
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After completing the secondary objectives related to the prototype weapon, destroying the weapon crates should become a main objective. However, if the "100% weapon crates destroyed" message appears but "T.N.T." is not earned, destroy all remaining crates, then save and quit the game. Resume the game, die, the reload the game again. You can also save the game before destroying the weapon crates to try again.
Complete the indicated task to unlock the corresponding ribbon in competitive multiplayer mode. Note: Earning them all unlocks the "Highly decorated" achievement or trophy.