Final Days achievements

Clear the 50th floor of the bunker in Eradication mode on Suicidal difficulty

Complete the Escape campaign on Elite difficulty

Survive day 7 of the Last Stand Crossroads map on Elite difficulty

Complete the Depths campaign on Elite difficulty

Survive day 7 of the Last Stand Bug Hole map on Veteran difficulty

Survive day 7 of the Last Stand Graveyard map on Suicidal difficulty

Survive day 7 of the Last Stand Graveyard map on Elite difficulty

Survive day 7 of the Last Stand Crossroads map on Suicidal difficulty

Clear the 40th floor of the bunker in Eradication mode on Suicidal difficulty

Clear the 25th floor of the bunker in Eradication mode on Veteran difficulty

Clear the 25th floor of the bunker in Eradication mode on Recruit difficulty

Survive day 7 of the Last Stand Mall map on Veteran difficulty