What maps are there for the challenge mode of crossing the line of fire?

There are 30 maps in Challenge Mode1* * (Challenge Mode1): Mystery Camp, Valley of Despair, Shuicheng, Valkyrie, Ruins of Megapolis, Doomsday Theater, Thunder Tower, Broken City, Soon Ending, Arena of the Gods, Broken City, Dawn Battleship, Dreadnaught Battleship, Trial Altar, Monitor Lizard. In this mode, the player's opponent is no longer other players, but a massive monster controlled by computer and BOSS. The task of most map players is to survive in the face of challenges and defeat BOSS. After the game, you can get reward treasure boxes, and different treasure boxes can get all kinds of rare equipment and unique BOSS rewards.