This Half-Life: Opposing Force walkthrough is divided into 12 total pages.
You can jump to nearby pages of the game using the links above.
We Are Not Alone
![Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 176](half-life-opposing-force-176-small.webp)
Press the button on the left to open the gate.
![Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 177](half-life-opposing-force-177-small.webp)
You will catch a glimpse of Gordon Freeman as he is jumping into a teleport. You can't follow him though.
![Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 178](half-life-opposing-force-178-small.webp)
Fight off the flying aliens and eventually a teleport will appear on top of the fallen ramp.
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Climb the ramp to reach the teleport.
![Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 180](half-life-opposing-force-180-small.webp)
The teleport will send you to Xen. Jump to the other platform in front of you.
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Walk over the jump pad to gain height.
![Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 182](half-life-opposing-force-182-small.webp)
Jump from the pad to the platform above you.
![Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 183](half-life-opposing-force-183-small.webp)
Jump to the next platform where a scientist falls down.
![Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 184](half-life-opposing-force-184-small.webp)
Get the experimental energy weapon. Firing with the left mouse will send a powerful bolt of energy forward that kills anything nearby. Pressing the right mouse button will teleport you in some other area. You might find items or some other interesting stuff in there but the teleportation drains a lot of ammo.
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Use the next jump pad to get to a higher platform.
![Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 186](half-life-opposing-force-186-small.webp)
The next jump pad is guarded by houndeyes. Kill them from a safe distance and use the pad.
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When you reach the highest platform you will have to jump into the teleport below.
More Half-Life: Opposing Force Walkthroughs
This Half-Life: Opposing Force walkthrough is divided into 12 total pages.