From about six o'clock in the evening, zombies will gradually appear in the city and the number will increase rapidly, and even occasionally one or two zombie dogs will be mixed in. By then, Koala City's "ordinary" police will belong to the "elite" S.T.A.R.S. team

(U.S. Federal Defense Department, Special Tactics and Rescue Team) and the U.B.C.S. team of "Raincoat" Company ("Raincoat" Company Special Operations Force) will begin the battle to eliminate zombies in the city. If you want to complete the normal difficulty mission, just

During this time, put on a police uniform or show your strength and cooperate with these "thighs" to safely complete the main mission of difficulty or normal difficulty. The chance of success is very high. (Zombie: Pathological cells and immune system after being infected by the diluted T-virus

During the war, white blood cells attack infected cells, causing necrosis of large areas of human tissue. In order to repair tissues in the body and restore immune system function, a large amount of food and energy are needed, causing the infected person to have a strong appetite. The T virus greatly accelerates cell division and cell necrosis.

, since the human head has a "blood-brain barrier" system that protects brain tissue, if the barrier is not damaged, it has the opportunity to mutate and become a zombie that can walk upright and have the function of foraging! Zombie dogs are similar.)

At about ten o'clock in the evening, almost all ordinary police officers were killed. The S.T.A.R.S. team would be divided and surrounded by a large number of zombies and struggled tenaciously in several large closed buildings. At this time, the number of ordinary zombies in the city was basically saturated.

Zombie dogs will gradually appear but not in too many numbers, and the safety isolation door of the "ant nest" biological experiment located underground in the city has been destroyed. A small number of "lickers" will appear in the city. If the contractor wants to complete

If you play Nightmare Difficulty, you'd better work hard to protect the combatants in your temporary team before then. At that time, every survivor gathering place will become the target of "Lickers". As long as the members of the team with the contractor still have a certain

It is not impossible for the combat power to complete this task. (Licker: When ordinary zombies are provided with sufficient nutrients, they will undergo deep mutations. The skin on the body will fall off, the muscle tissue will rapidly strengthen, and the phenomenon of brain cell death will no longer exist.

occurs, the skull disappears and the brain is exposed, vision disappears, hearing and smell are abnormally developed)

Around midnight, the "Raincoat" company executives launched the "Nemesis" project. The main purpose of the plan was to test the latest B.O.W. (organic biological weapon). When the company executives learned that the T-virus had spread in Koala City, they first

Time blocked the entire city, and under the secret operations of various departments, a plan to experiment with biological weapons was born. So the company's senior leaders led the research team to activate a "tracker" in Koala City at midnight. The main purpose was

Eliminate all living things in the city, including uninfected humans. (Tracker: The Nemesis alpha parasite was created in the secret laboratory No. 6 of the "Raincoat" company, and was injected into the spinal cord of the test subject in the form of cells, and then began to infect the test subject with T-virus

Reorganizes the host for food, changes the host's overall nervous system, enters the bone marrow and devours the bone marrow. The host begins to grow tentacles that penetrate the body and even break out of the body. After the mutation is completed, it can control the brain and change the central circuit. The experimental subject's thinking nerves are in the parasite

On the other hand, the experimenters control the experimental subjects through external control parasites. This kind of B.O.W. will occasionally show violent tendencies but is extremely powerful. Unless it is seriously injured, ordinary non-fatal injuries can be healed quickly, and it has a certain IQ to be able to use heavy weapons.

)

Starting around twelve o'clock, due to the intervention of "trackers" in the city, the number of zombies, zombie dogs, and lickers gradually decreased. However, the main mission of the trackers was still to eliminate ordinary humans and powerful mutant creatures. At this time

The contractor must make a choice, whether to assist the "elite" team to kill the "tracker" together or to leave the world as soon as possible. It should be noted that the "tracker" is equipped with heavy weapons, including but not limited to: rocket launchers

, small Gatling, rotary machine guns, etc., the "Umbrella" company will also provide weapons and ammunition to the "tracker" at any time. This boss and the miscellaneous fish who only knew hand-to-hand combat before (yes, the unevolved lickers)

It can be regarded as a miscellaneous fish (it is a little bigger at best), and they are completely two concepts.

When a contractor who is lucky and strong enough kills the "tracker", he can choose to return immediately or delay his return. The general delay time is 10 minutes to 2 hours (depending on the difficulty of the contractor to complete 10 minutes, 30 minutes, 1 hour

, 2 hours, after completing the god-level difficulty, you can choose to obtain permanent stay time in the mission world!)

But! Yes, I have to say but again! The above-mentioned are all ordinary creatures. Whether they are zombies, zombie dogs, or lickers, they will mutate themselves after devouring enough biological energy. The type of mutation is the same as

The strength is random, and "ordinary" level creatures will gradually mutate into "leader" level creatures! You must know that in this world, "trackers" equipped with heavy weapons are only "rare elite" level creatures from the perspective of biological level.

, if the contractors have not dealt with the growing powerful mutant creatures, then the entire Koala City will be a different scene in the end! There are even some alternative contractors conducting some terrible distortion experiments in this world.

Then the direction of this world will be confusing! (The levels of creatures that appear in the mission world within the third-level world: ordinary-rare-elite-rare elite-leader. Creatures with the title of "rare" are stronger than those of the same level.

Slightly weaker than high-end)

The main task collection mode is easier to understand. You only need to go to the place given in the task bar to pick up the relevant task items and put them into the contract space. In theory, if a lot of people form a team to receive this task,

As long as you are lucky enough, it is not impossible to collect them all within the first three hours and pass the level on Hell difficulty.

The difficulty of this mission lies in time! Collecting mission items may seem easy, but in fact, it is very difficult to complete the difficulty level above nightmare. As time goes by, the number of zombies in the city almost doubles, and in the end it is almost impossible to move forward.

, and in the later stages, the mission items may even be hidden on a very ordinary zombie. It is not easy to find a zombie carrying mission props in the vast zombie wave, and you must know that the mission prompts will only give the contractor the most basic information.

The information is also refreshed in real time. If a zombie dog accidentally carries a mission item, the contractors will be ready to run around the entire city! Therefore, this mission is only prepared for top contractors like the three brothers.

Only then can they obtain rewards for difficult tasks.

The mission world is not a pickle game on the Internet. When you kill the enemy, the equipment will drop "ding ding ding" and the name will be displayed thoughtfully. There will not be such ridiculous things as one-click picking up (pah pah pah). If

The only way to find mission props in the vast zombie swarm is to kill a group of zombies and then search carefully one by one.

When the Void Tree refreshes mission items, it will take into account the number of people who received the mission and their strength. Once it exceeds the range set by the rules, the refresh location of the mission items to be collected by the contractor will not be limited to Koala City.

The most likely thing is that mission items will be refreshed in the "Ant Nest" laboratory below the city. If you want to complete difficult tasks by then, you must first find all the mission props in the city and then go to the "Ant Nest" together.

Sweep, and the hidden missions in this world, or the hidden missions that can be triggered at a certain time, are in the "ant nest", and the target that needs to be killed in this hidden mission is the first-order "leader" level boss, and this

This boss can be said to be one of the most powerful monsters in the mirror world, and his strength is very terrifying!

As for the survival mode of the main mission, it is very easy to understand. One word - Gou! At this moment, Absalom, the evil dog Bubtni, and Sashimi (if you know who these people are, please smile knowingly!

) is possessed by the soul! You are no longer fighting alone! You are no longer alone!

The first time Zero saw the main mission of survival, he compared it with the other two missions. Based on his speculation on the interconnection of the tasks, he almost instantly chose the main mission prepared for the new contractors, collecting and killing.

Although the mission can collect more useful materials during the completion of the mission, the risk is also surprisingly high. In comparison, the main survival mission has the smallest benefit but also the smallest risk. You can only survive to proceed to the next round! No. Zero didn't even think about it.

After thinking about it, he chose to be a "Voldemort", and if his guess was correct, the rewards for newcomers who chose this task based on the absolute fairness principle of the Void Tree would be unmatched by the other two tasks.

Walking hurriedly on the street, Zero scanned the reminder in the task bar. It was already 17:03 in the afternoon. He had to rush to a place before a certain time period, otherwise his mission this time would only end in the end.

The difficulty level ends. When he gets to where he wants to be, if he finds that certain conditions allow him to make some arrangements, the difficulty of completing this world mission for Zero will be at least nightmare level!

In a dark alley adjacent to the target area where Zero was heading quickly, a young man in the shadows raised his head as if he was aware of it, and looked with half-squinted eyes in the direction of the street where Zero was walking.

Although his eyes were staring in that direction, his hands were not idle. There was a uniformed policeman lying at his feet. At this time, the young man was taking off the policeman's clothes and putting them aside. From the ground, the man

The cold body looked like it had been dead for a long time. The young man put the clothes he had taken off into the contract space and immediately took them out again and began to take off his clothes. After taking off his shirt, the contract mark in the blue space was revealed on his heart.
Chapter completed!