Halo: Spartan Strike Achievements Here is the full list of all 20 Halo: Spartan Strike achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply Welcome to New MombasaComplete Operation A Homing inComplete Operation B Ready for DepartureComplete Operation C Home Sweet HomeComplete Operation D No Loose EndsComplete Operation E I Am Your ShieldKeep the Elephant 100% intact in Operation A, Mission 3 Not a ScratchKeep the Wraith 100% intact in Operation B, Mission 4 Night KnightDo not allow the Watchers to resurrect any Knights in Operation C, Mission 4 Beam DanceComplete Operation D, Mission 5 without getting hit by a Focus Turret Mine SweeperDo not get hit by any Proximity Mines in Operation E, Mission 2 ExperiencedEarn your first Gold star Battle HardenedEarn all Gold stars in Operations A through E Big SpenderSpend 10,000 credits on loadout upgrades GEN2Use every Armor Ability at least once Vidmaster Challenge AComplete Operation A, Mission 6 with the Blind and Thunderstorm Skulls active Vidmaster Challenge BComplete Operation B, Mission 6 with the Hollow and Pacifist Skulls active Vidmaster Challenge CComplete Operation C, Mission 6 with the Black Eye and Pacifist Skulls active Vidmaster Challenge DComplete Operation D, Mission 6 with the Famine and Thunderstorm Skulls active Vidmaster Challenge EComplete Operation E, Mission 6 with the Hollow and Black Eye Skulls active ThoroughComplete all Assault Ops for Operations A through E