Garena today announced that Free Fireâs crossover event with Attack of Titan is now live in the mobile battle royale game. The global collaboration will rally players to fight for humanityâs survival as Attack on Titan content â including the seriesâ giant man-eating humanoids â begins its invasion of Free Fire. . From now until April, players will be offered the opportunity to enjoy exclusive Attack on Titan in-game content, including new costumes and weapon skins, event reskins,