On The Alert Achievements Here is the full list of all 6 On The Alert 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 collect 12 posterscollect 12 posters kill the gunman with a pistolkill the gunman with a pistol kill thug with riflekill thug with rifle kill the gangster with a machinegunkill the gangster with a machinegun stumble on bayonetsstumble on bayonets sapper explode on minesapper explode on mine