To protect survivor from 50 attacks of infected = 15 points.First Aid Kit to heal 25vsurvivors = 20 points.The gamerscores can be divided as follows: Along with these two, a DLC package of 3 packs is available which costs you 500 gamerscore points. You can get 50 achievements in the base game worth 1,000 points. It will take almost 40 to 50 hours of gameplay in order to gain 1500 points. There are different numbers of points required for certain powers There are 65 achievements in total for this game and you require 1500 points or gamerscores to use all of these. It is very important to collect points while playing this game, because these points will help you get certain achievements and extra powers to handle your opponents more easily. Here, the player will try to gain maximum points by acting as survivor in one round and as infected in the second one. In this mode, the player has to act as a survivor and be infected in alternative rounds. Here you have to act as infected and you will fight against survivors and try to spread the virus and get them infected. Time will be calculated and the survivor should fight and try to survive as long as possible. In this mode also the player will act as a survivor but there will be time-based rewards. Here the players take the charge of one survivor and try to save it from getting infected while the other players are Al-controlled. The modes of the game can be named and defined as: They can choose whether they want to play as a survivor, as infected or both. This game is divided into several modes to develop the interest of players and does not confine the players to play as survivors or infected only.

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