749档案集：无锡外星人事件 Achievements Here is the full list of all 17 749档案集：无锡外星人事件 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 Rapid TriggerFire 8 shots within 1 second. Critical ManiacMaintain a critical hit rate above 25% for the whole game. Deadly PrecisionLand critical hits with every bullet in 2 consecutive magazines. Pistol SpecialistComplete the entire game using only a pistol. Zen AgentLet one enemy stay alive for more than 2 minutes. One-Coin ClearFinish the game with only one credit. Bullet TimeKill an enemy during slow-motion mode. Blast ArtistKill 4 enemies at once with an explosive. Alien SkewerShoot down a platform support and skewer 4 spear-wielding aliens. Mercy GivenSpare one unarmed alien civilian. Cold-Blooded ButcherKill one unarmed alien civilian. Aerial HunterKill 2 sword-wielding aliens while airborne. Lucky FindBreak a regular object and discover hidden supplies. Double MercySpare two unarmed alien civilians. Butcher PlusKill two unarmed alien civilians. PromotedFinal choice: Kill the heroine and get promoted by the FBA. Kill the BossFinal choice: Kill your superior and trigger the twist ending.