Halo: Spartan Assault (WP) Achievements Full list of all 25 Halo: Spartan Assault achievements worth 250 gamerscore. It takes around 15-20 hours to unlock all of the achievements in the base game.The base game contains 20 achievements worth 200 Gamerscore, and there is 1 DLC pack containing 5 achievements worth 50 Gamerscore.Filter Achievement View View Image viewList view Sort by TrueAchievement desc TrueAchievement asc Achievement name desc Achievement name asc GamerScore desc GamerScore asc TA Ratio desc TA Ratio asc Gamers desc Gamers asc Xbox.com order Date won desc Date won asc DLC Packs Group DLC packs together in list DLC Filter AllOwnedNone Flag Filter All NoneAll 25 achievements in this game are now Discontinued 25 Offline Mode 25 Single Player 6 Main Storyline 1 Story Completed 2 Cumulative + 1 Shop 2 Partly Disc/Unob 25 Discontinued Link flagsOR joinAND join Achievements without these flagsReveal non-discontinued flags What are achievement flags? Click to find outApply Base Base Game (Excludes DLC) 462 200 20 3.6112,911966 (7%)15-20h OverrunComplete Operation A 1 guideSwitched OnComplete Operation B 1 guideHide adsSwitched OffComplete Operation C 1 guideEvacuatedComplete Operation D 1 guideTerminatedComplete Operation E 1 guideEscort ServiceKeep all Wolverines intact in Operation A, Mission 3 2 guidesNowhere to HidePrevent all Jackals from regenerating their shields in Operation B, Mission 3 4 guidesNever Knew What Hit ThemKill a convoy target with every stationary gun in Operation C, Mission 3 1 guideBrute ForceFinish the objectives using only the Brute Shot, melee and grenades in Operation D, Mission 1 3 guidesFoot SoldierFinish the objective without using any vehicles/turrets in Operation E, Mission 4 2 guides RecruitEarn a star of any type ProdigyEarn your first Gold star 1 guide117Earn all Gold stars 2 guidesPension PlanEarn 25000 XP throughout your career 1 guideDistinguished ServiceEarn all medals in the game at least once 2 guidesWeapon of ChoiceScore a kill with every handheld weapon (excluding Rocket Launcher and Spartan Laser) 1 guidePowered by MJOLNIRUse every armor ability at least once (excluding Overshield and Seeker Drone) 1 guideSkull ComboComplete any mission with the maximum number of Skulls active 1 guide Vidmaster ChallengeComplete Operation E, Mission 1 with the Hollow and Black Eye Skulls active 3 guidesExtra CreditComplete 75 mission specific challenges 4 guides Update Operation: Hydra 148 50 5 3.582,261982 (43%)2-3h Complete Operation FComplete Operation F 1 guideSilvertipDestroy all Mega Turrets with the Grizzly tank in Operation F, Mission 2 1 guideTour of DutyEarn all Gold stars in Operation F 2 guidesVidmaster Challenge 2.0Complete Operation F, Mission 4 with the Blind and Thunderstorm Skulls active 2 guidesA for EffortComplete all Operation F mission challenges 2 guides