Halo: Spartan Assault achievements

2.44%

Complete Operation F

2.59%

Tour of Duty

Earn all Gold stars in Operation F

3.05%

Flooded

Complete all co-op missions

3.13%

Immune

Finish a co-op mission without becoming infected

3.19%

Extra Credit

Complete 75 mission specific challenges

3.45%

117

Earn all Gold stars in all operation missions

3.97%

Pension Plan

Earn 25,000 XP throughout your career

5.09%

Distinguished Service

Earn all medals in the campaign at least once

5.61%

Vidmaster Challenge 2.0

Complete Operation F, Mission 4 with the Blind and Thunderstorm Skulls active

5.69%

Vidmaster Challenge

Complete Operation E, Mission 1 with the Hollow and Black Eye Skulls active

6.30%

Never Knew What Hit Them

Kill a convoy target with every stationary gun in Operation C, Mission 3

6.30%

Foot Soldier

Finish the objective without using any vehicles/turrets in Operation E, Mission 4