CastleStorm II Achievements Full list of all 13 CastleStorm II achievements worth 1,000 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Xbox One.Filter Achievement View View Image viewList view Sort by TrueAchievement desc TrueAchievement asc Achievement name desc Achievement name asc GamerScore desc GamerScore asc TA Ratio desc TA Ratio asc Gamers desc Gamers asc Xbox.com order Date won desc Date won asc Flag Filter All None 13 Offline Mode 13 Single Player 10 Main Storyline Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply Humble HeroicsComplete the first chapter of Sir Gavin's campaign. Long Live the KingComplete the second chapter of Sir Gavin's campaign. Protector of the RealmComplete the third chapter of Sir Gavin's campaign. Kingdom InvadedComplete the fourth chapter of Sir Gavin's campaign. The War of the DeadComplete the last chapter of Sir Gavin's campaign. Global GreeningComplete the first chapter of Luna's campaign. 1 guideEssence of the NightComplete the second chapter of Luna's campaign. 1 guideRockin' Their WorldComplete the third chapter of Luna's campaign. 1 guideLove, Death & ZombiesComplete the fourth chapter of Luna's campaign. Queen of the DeadComplete the last chapter of Luna's campaign. Challenge AcceptedWin the first battle of the Arcade Mode. SuperstarWin the last battle of the Arcade Mode. All-StarUnlock all stars in the Arcade Mode. 1 guide