| Picture |
Achievement |
Description |
 |
 |
Hack Attack! |
Kill five enemies with a Manhack. |
5  |
 |
Conservationist |
Kill five enemies with the same energy ball. |
5  |
 |
Think Fast! |
Kill an Elite Soldier with his own energy ball. |
10  |
 |
Submissive |
Put the can in the trash. |
5  |
 |
Defiant |
Hit the trashcan cop with the can. |
5  |
 |
Zombie-que |
Use flares to light 15 zombies on fire. |
5  |
 |
Malcontent |
Escape the apartment block raid. |
5  |
 |
What cat? |
Break the mini-teleporter in Kleiner's lab. |
5  |
 |
Trusty Hardware |
Get the crowbar. |
5  |
 |
Barnacle Bowling |
Kill five barnacles with one barrel. |
5  |
 |
Anchor's Aweigh! |
Get the airboat. |
5  |
 |
Heavy Weapons |
Get the airboat's mounted gun. |
5  |
 |
Vorticough |
Discover the hidden singing vortigaunt cave in chapter Water Hazard. |
13  |
 |
Revenge! |
Destroy the hunter-chopper in Half-Life 2. |
10  |
 |
Blast from the Past |
Find the HEV Suit Charger faceplate in Eli's scrapyard. |
10  |
 |
Zero-Point Energy |
Get the gravity gun in Black Mesa East. |
5  |
 |
Two Points |
Use DOG's ball to make a basket in Eli's scrapyard. |
2  |
 |
Zombie Chopper |
Play through Ravenholm using only the gravity gun. |
25  |
 |
Hallowed Ground |
Escort Gregori safely through the church cemetery. |
5  |
 |
OSHA Violation |
Kill 3 enemies using the crane. |
5  |
 |
Targetted Advertising |
Pin a soldier to the billboard in chapter Highway 17. |
5  |
 |
Where Cubbage Fears to Tread |
Defend Little Odessa from the gunship attack. |
5  |
 |
One Man Army |
Destroy six gunships in Half-Life 2. |
5  |
 |
Keep Off the Sand! |
Cross the antlion beach in chapter Sandtraps without touching the sand. |
20  |
 |
Bug Hunt |
Use the antlions to kill 50 enemies. |
10  |
 |
Flushed |
Kill an enemy with a toilet. |
5  |
 |
Warden Freeman |
Survive the second turret standoff in Nova Prospekt. |
10  |
 |
"Radiation Levels Detected" |
Get through the toxic tunnel under City 17 in Half-Life 2. |
5  |
 |
Plaza Defender |
Survive the generator plaza standoff in chapter Anticitizen One. |
10  |
 |
Counter-Sniper |
Kill all of the snipers in City 17. |
5  |
 |
Fight the Power |
Shut down the supression device by disabling its generators. |
10  |
 |
Giant Killer |
Survive the rooftop strider battle in the ruins of City 17. |
10  |
 |
Singularity Collapse |
Destroy the Citadel's reactor core. |
25  |
 |
Lambda Locator |
Find all lambda caches in Half-Life 2. |
15  |
 |
Atomizer |
Disintegrate 15 soldiers by throwing them into a Combine ball field. |
10  |
 |
Follow Freeman |
Gain command of a squad of rebels in the uprising. |
10  |