Tricks and Cheats
Unlock All Chapters
Use a text editor to edit the "config.cfg"
file in the "\hl2\cfg" directory. Locate the "sv_unlockedchapters" line and
change its value to "15". While this is easy to reverse you
may want to backup the file first.
Easy Defense With The Zero-Point Energy Gun
This kinda goes without saying. You can take something like a barrel, chair, or another object with the
Zero-Point Energy gun and just keep holding ont to it. Enemies cannot hurt you when they are shooting you. For better results, crouch when you are defending yourself.
Avoid losing health in Sand Trap
On the level where touching the sand will cause those sand monsters to come up
be sure to drag along sheets of metal, doors, or even a chunk of wood so you
want have to walk on the sand. You will
have to jump on the rocks at first but those soon run out. Use
your gravity gun to place your object in the sand and
stand on it. Then, place another object in front of it. Jump on it, remove
the first object, and place it in front. Continue to do this until you reach
rock again and the creatures will not appear.
Easy Kill With The RollerMine
To kill an enemy quickly and easily, take the shotgun and hit an enemy
like headcrab, zombies, and City 17 guards. Aim and hit it in the head to
kill it. Additionally, you can use Dog's ball to kill; or distract and
attract enemies to the ball for easy kills. When you first get the
anti-gravity gun while you play fetch with "Dog", make sure to keep the
ball. The ball is actually a "rollermine". You can keep the ball up until
you go over to Dr. Kliener's fortified graveyard. The rollermine (ball) will
follow you almost everywhere and is harmless to you, but it actually kills
both types of Head Crabs. Other enemies such as zombies will ignore you and
swing violently at the ball, giving you plenty of time to kill them, even
with the crowbar. This will save you lots of ammunition throughout the
zombie levels. You must be careful not to explode the ball, or it will be
gone. If this happens, just re-load from where you had it last. The ball
will follow you up most stairs, but you must carry it with the gravity gun
up ladders.
Bonus Ending Sequence
After the credits, wait to see the headcrab, Lamar, being pursued by the
scientist. Then, watch him pounce on your head. Additionally, after you
complete the game, watch the credits, note they cannot be skipped.
When you reach the end of the credits, you will see Lamar jump onscreen. You
will then hear Dr. Kliener say, "Lamar? Blast that little… Where did she get
to?" This is the same thing that he says when you first see him looking for
her. Lamar will then lash out at you and supposedly "couple with your head".
Easily
Defeating Barnicals
To kill the Barnicals, let them pull you up, than hit them with a crowbar from a
short distance.
Zoomed In Rockets
If you find it difficult to hit the Striders (or any other enemy) with the RPG
from far away, fire a rocket and immediately press [Zoom] (default is Z). You
will automatically zoom in like normal, but will still have control of the
rocket. This helps in the later levels when you do not want to get too close to
the Striders, or other enemies.
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