Wait for the scientist to start up the teleport at the center. Press crouch and jump and the same time to perform a long forward jump. The scientist will give you the booster jump device from the container on the right. Stock up on ammo and weapons from the storage rooms. The scientists are waiting for you in here. Half-Life Walkthrough - Half Life 614Д®nter the lambda reactor core. Half-Life Walkthrough - Half Life 612ДЇollow the red corridor. Get inside the teleport at the center once the barriers are open. When you press both buttons the center that protects the teleport will open. Half-Life Walkthrough - Half Life 609Д«e fast and use the platforms to reach one of the buttons around this zone. Next area has some spinning platforms and one walkway that goes up and down in the middle. Half-Life Walkthrough - Half Life 607Д®nter port 7. You have to time when you enter each port. If you miss the platform spinning above you, you will most likely fall to your death. Half-Life Walkthrough - Half Life 605Д®nter port number 2 to go up one floor. The platform will be spinning around teleport entrances. When you enter the first portal you have to time it so you land on the moving platfort. Most of the time you will be teleported to this starting area and you can try again. You have to enter the appropriate portals to reach the end. This area is a puzzle somewhat and can get confusing. Half-Life Walkthrough - Half Life 602Д®nter core level B. The valve can turn off the steam but you might want to use it to kill some aliens first. Half-Life Walkthrough - Half Life 600ДЇollow the red corridor. Half-Life Walkthrough - Half Life 599Д¬limb the ladder and jump on the door to reach the upper floor. Jump across the platforms to go up and try to dodge the beams. Half-Life Walkthrough - Half Life 595Дo the same with the other valve. Turn the valve to start the coolant system. Jump down the water and enter the maintenance access. Now is time to get back to the corridor you were in before and go left to reach the reactor. Half-Life Walkthrough - Half Life 591Д®very light should be green now. Half-Life Walkthrough - Half Life 586ДЇollow the orange corridor. Now backtrack from the first pump room and go to the second one. Jump down and press the red button to start the first coolant pump. Half-Life Walkthrough - Half Life 582ДЇollow the path forward. Half-Life Walkthrough - Half Life 580ДЇollow the blue corridor to reach the first coolant system. Remember that you will have to reach the reactor from this corridor once you have started up the coolant system. The scientist will tell you that you have to start the reactor. Go right to the maintenance station to resupply. The alien activity in this area will be high. Proceed up the elevator on the right side of the corridor.

You can test it on some aliens locked up in the cages nearby. The gluon gun is the most powerful weapon in the game but it uses the scarce ammo quickly. Go inside the test firing chamber to get a new weapon. When you kill the aliens in this area the scientist will open the door for you.

If you go left and down some stairs you will reach recharging stations. Half-Life Walkthrough - Half Life 568Д¬ontinue to the right to go to the next area. Half-Life Walkthrough - Half Life 567Д¬limb up the stairs. Find some spot where you can wait for them and you can kill the assassins one by one. Half-Life Walkthrough - Half Life 566Дon't let them use hit and run tactics. This means only one thing, an ambush from assassins. You will reach another hangar area with crates and containers. When you are done here go through the big gates on the right.

Shoot some headcrabs and jump up the crates to reach the first aid station on top. Press the button and then go on a ride down the lift. Lambda Core Half-Life Walkthrough - Half Life 562 You can jump to nearby pages of the game using the links above.

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