ACHIEVEMENT - HOW TO UNLOCK Demonic Duet - Finish the game in Duet Play with both players alive. Far East Temple Knight - Finish the game without continuing. Holiday in Hell - Keep the holiday spirit alive. Line 'em up! - Clear 25 lines in Eternal Babel mode. Matrix Master - Finish the game on Advanced difficulty. Operation Successful - Finish the game on Standard difficulty. Que Pholith Conqueror - Finish the game on Demonic difficulty. Revenge is Sweet - Defeat the true last boss. Rosenkreuz Agent - Finish the game on Novice difficulty. The Long Road - Get 6 Alter Breaks in one game. The Spice of Life - Finish the game with every character. Who's next? - Defeat every opponent in Demonic Challenge mode.