Crossfire: Sierra Squad Achievements Here is the full list of all 35 Crossfire: Sierra Squad achievements.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 Ready for action!Purchase your first weapon. Locked and Loaded!Equip a weapon for the first time. Fits like a glovePurchase your first modified part. Decked out!Equip your first modified part. 1 downCleared your first mission. Finders KeepersEquip a weapon found on the battlefield. Heads up!Use a grenade in a mission. Phew, I needed that.Use a stimpack in a mission. Gun goes BRR!Purchase a Sub-Machine Gun. Small, but deadlyPurchase a pistol. Big, but even deadlierPurchase a DMR. MANDOWN!Get downed for the first time. Mini? More like punyDefeat your first minigun heavy armor unit. HammertimeDefeat your first heavy armor unit. RocketmanDefeat your first launcher heavy armor unit. BLACK HAWK DOWN!Destroy your first helicopter. Bigger they are...Eliminate your first LAV. David vs GoliathEliminate your first Boss. Perked up!Equip your first perk. Too many to countPlay your first Horde Mode run. License to CollectPurchase 10 weapons. TinkererPurchase 15 weapon parts. Not so miniDefeat 10 minigun heavy armor units. Playing whack-a-moleDefeat 5 heavy armor units. If it bleeds…Defeat 3 launcher heavy armor units. The sky is falling!Destroy 10 helicopters. Tanks, but no tanksDestroy 5 LAVs. Hit ListDefeat 10 named enemies. Sleep easy now, TerryClear the Story Campaign in Arcade mode. Upgrade!Upgrade a weapon to Rank 2. Another Upgrade!Upgrade a weapon to Rank 3. Locked, Loaded, and Fully UpgradedObtain both perks for a weapon. Squad UpClear all Squad Missions. Keeping it Real!Clear the Story Campaign in Realism mode. Ammo Stocked and ReadyClear Stage 10 in Horde mode.