The game is similar in style and in the previous parts fundamentals but variables have been added to the devices and machines that were the previous parts and will talk about the most important fundamentals that confront us in the game.

First : Knowledge of the road

Dispensed map game in the second part and this part and this because of the presence of a button knows the way and where to go , Therefore, we find that the knowledge of the road very easy and uncomplicated and if you find many doors or misled the way I use the button to know the way to direct you to the right path , As for the space if you pressed the button to know the road you will find a counter Surface guides you through the.

Secondly : Way to get the tools and ammunition

We will find in the game many of the funds that you can crash and get them to treatment or ammunition or many different tools , And also we will find there are funds in the wall can be opened and get them the tools , And also you can get the tools through killing enemies.

Thirdly : Machine allowances and promotions

We will find in the game is a special machine allowances, through which you can wear the new allowances that opens you , And also you will find an upgrade for a very useful allowances so that we can increase health latitude and air line freeze and also increase inventory space , The upgrade is done through the various tools that we Btgmaha.

Fourth : Or machine repair workshop

Is a private arms manufacture, composition of its parts through which the weapons of benefit and these parts will you Btgmaha throughout the game , This machine also make you upgrade weapons and increase the speed in the shooting or shipping or increased ammunition , And also this time we will not buy ammunition or health, but it can be collected in this machine through the tools we Btgmaha.

V. : Freezing machine

Machine is very important in the game and used as a deterrent to enemies and are used in some places and function of the game to freeze and slow down enemies or objects that shed these rays , So that you can stop the fan spin until you cross them and this machine exists from the previous sections.

VI : Magnet

The game in this part will depend on the magnet tool for managing the valve to open doors or to run generators , This tool is very useful in withdrawing solids and paid and we will find it very important in this part so that we will find that we use it constantly , And we can also use it against the enemy to withdraw the parties pointed enemies and paid at any enemy, even kill him.

VII. : Remember the game

اللعبة فى السابق كانت تعتمد على كاميرا لحفظ اللعبة حتى يمكنك الحفظ فى أماكن محددة والتى يتواجد بها الكاميرا , ولكن كالعادة وكبقية الألعاب يتم حذف هذه الخاصية ويتم الاعتماد على نقاط الحفظ الذاتية والتى تحفظ اللعبة كل فترة بشكل ذاتى بدون أى تدخل من اللاعبين.