Deadly Sky Achievements Here is the full list of all 7 Deadly Sky 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 StartStart the game KamikazeKill 3 aircraft Boss #1Kill the boss Another bossKill another boss One more bossKill one more boss The last bossKill the last boss 100 KillsKill 100 enemy aircraft