The patches for this hot update are as follows:
Game content
1. Put the next free DLC map "Dueling Field" into the game as a trial version, and everyone can experience it first now;
2. Fixed the issue of no zombies appearing in round 37;
Safe House
1. Add a guidance icon to the upgrade platform,
2. Solved the problem of incorrect display of guide icons;
Underground Facilities
1. Task guidance icons have been added, so players can now turn on the power and not get lost;
2. Set the difficulty of zombies to the lowest level, making it easier for everyone to solve puzzles;