Boss Defiance Achievements Here is the full list of all 8 Boss Defiance 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 WelcomeStart one game The BossWin a game with the Boss in Normal Mode The real BossWin a game with the Boss in Beast Mode The strength of the TeamWin a game with the Heroes in Normal Mode The Dream TeamWin a game with the Heroes in Beast Mode Last man standingWin a game against the Boss being the only survivor Crystal crasherDestroy the Crystal UntouchableWin one round as Boss without receiving any damage