MW3 - 3 STAR CHALLENGE! TIER 3 (incomplete)

TIER 1: https://www.youtube.com/watch?v=sM9iOlMgh1k
TIER 2: https://www.youtube.com/watch?v=kAHlhqcXT7I

If someone wants to do tier 4...my steam is on my YT profile and or shoot me a twitter DM.

Видео MW3 - 3 STAR CHALLENGE! TIER 3 (incomplete) канала bassblaster505