You unlocked the special ability of Roman's taxi.

Take down Castro with a headshot.

Crack the code.

Destroy all targets and structures while making your way up the river.

Escape the Past.

Retrieve the dossier and the defector from Hue City.

Kill 10 NVA with Dragon's Breath rounds.

Sabotage the Soviet space program.

Escape Vorkuta.

Kill 5 enemies with a single frag grenade in the campaign.

Deliver stamped travel documents to the Underground in exchange for medicine

Work with a Buddy to subvert a mission offered by a faction

Save a Buddy from captivity