Here are videos to accomplish all the secondary objectives in BLACKOPS mode.

For those who are interested in speedruns in HARD or BLACKOPS, I hope these videos will help you in building your faster route. I'm also very happy to help those who just want to beat BLACKOPS mode.

Level 1 : Veblensk City Street

Level 2 : Treneska Border Crossing

Level 3 : Naszran Town

Level 4 : Naszran Foundry

Level 5 : Tivliz Asylum

Level 6 : Vratska Dockyard

Level 7 : Grazbei Bridge

Level 8 : Spetriniv Gulag