Half-Life 2 Walkthrough

4. Monsters 

- Combine Soldiers: These hapless souls are simply humans who have 
given up on life and work for the Combine themselves. They range from 
easy to hard, depending on what weapon they are using. They use all 
sorts of weapons: Pistols, Energy rods, fists, Shotguns, and Pulse Rifles as 
well as Magnums and Grenades. 
Difficulty: 1-5 to 4-5.

- Combine Elites: All of them use Pulse Rifles as well as the 
secondary function on them. They also have reinforced white armor 
and can take a beating. 
Difficulty 5-5.

- Headcrabs: As annoying as usual. Hops up, Slice, dice, hide in 
boxes, corners, come off the faces of Zombies. Their difficulty 
is based on their element of surprise. Difficulty: 2-5.
- Black Headcrabs: These tough guysdrops your health to 1 in one 
bite and take a little to 
Difficulty: 3-5.

- Barnacles: They are pushovers who grab you with their tongues if 
you run into them. What makes them a pain is that at points, they 
are clumped together. 
Difficulty: 1-5.

- Zombies: The zombies are pretty easy, slow moving, and susceptible
 to head shots. 
Difficulty: 1-5.

- Zombie Hulkers: They are humans who have been taken over by the 
Black Headcrabs and they have up to 4 of them on their bodies. Also 
they fling them at you too. 
Difficulty: 3-5.

- Zombie Runners (Leapers): These skinny alien monsters are fast, climb poles,
 and are relentless. 
Difficulty: 3-5.

- Scanners: They are the flying orbs that follow you and relay your
 position to Combine 
guards. Difficulty: 1-5.

- Manhacks: These little orbs have rotating propellers and attack 
you. You’ll know one’s near when you hear a loud whirring sound. 
Difficulty: 2-5.

- Gunboats: Tough, tough, tough. RPG’s are the only things that 
can take them down. They are fast and can take you down quickly. 
Difficulty: 5-5.

- Helicopter: These things drop mines and shoot pulse rifle charges at 
Difficulty: 3-3

- Mortar Tanks: Tough tanks that can level you in a few shots. 
Difficulty: 4-5.

- Antlions: Fast, brutal, and they attack in packs. If you have the
 unfortunate luck of fighting them, cry when your weapons go empty.
 Difficulty: 4-5.

- Antlion Guard: This badboy is a toughie who can take hits and runs 
at you as an attack. Sidestep him and he’s cake. He gives you your 
Antlion Lure.       
Difficulty 3-5.

- Striders: These things are Tri-legged 50 foot tall monstrosities
 that are just…a pain to take down. They take at least 8 rockets on 
Normal mode to take down. They have a pulse rifle 
and a reality distorting beam as well as they can impale you. 
Difficulty: 5-5.

- Turrets: Annoying things that can be knocked over. 
Difficulty: 2-5

- Dr. Breen: The Central Antagonist. He is responsible for the post-
apocalyptic nightmare that has become Earth.
Difficulty: 3-5