The Collection 1 Add-on for Call of Duty: Modern Warfare 3 has 6 achievements.
Run over and kill 13 enemies with the snowmobile in the "Black Ice" Special Ops mission.
Complete the "Black Ice" Special Ops mission on any difficulty.
Complete the "Black Ice" Special Ops mission on Veteran difficulty.
Complete the Special Ops mission "Negotiator" on any difficulty.
Rescue all the hostages in the Special Ops mission "Negotiator."
Complete the Special Ops mission "Negotiator" on Veteran difficulty.