Complete the following achievements to unlock Microsoft Gamerscore points.
Achievement
How to unlock
"Radiation Levels Detected" ( 5 points )
Get through the toxic tunnel under City 17 in Half-Life 2.
Acid Reflex ( 5 points )
Kill an Acid Antlion worker.
Anchor's Aweigh! ( 5 points )
Get the airboat.
Aperture Science ( 40 points )
Earn gold medals on all Portal challenges.
Atomizer ( 10 points )
Disintegrate 15 soldiers by throwing them into a Combine ball field.
Attica! ( 5 points )
Destroy the gunship in the hospital attic.
Barnacle Bowling ( 5 points )
Kill five barnacles with one barrel.
Basic Science ( 10 points )
Earn bronze medals on all Portal challenges.
Blast from the Past ( 10 points )
Find the HEV Suit Charger faceplate in Eli's scrapyard.
Bone Breaker ( 5 points )
Kill 30 enemies with thrown physics objects.
Bug Hunt ( 10 points )
Use the antlions to kill 50 enemies.
Cache Checker ( 10 points )
Find every radar cache in the Under The Radar chapter.
Camera Shy ( 5 points )
Detach security cameras from the walls.
Car Crusher ( 5 points )
Use the cars to squash 15 antlions in Half-Life 2 Episode One.
Citizen Escort ( 15 points )
Don't let any citizens die when escorting them to the escape train.
Conservationist ( 5 points )
Kill five enemies with the same energy ball.
Containment ( 5 points )
Contain the Citadel core.
Counter-Sniper ( 5 points )
Kill all of the snipers in City 17.
Cupcake ( 10 points )
Beat two Portal advanced maps.
Deadly Harvest ( 5 points )
Kill an enemy by planting a hopper mine.
Dynasty ( 10 points )
Win 20 games.
Elevator Action ( 10 points )
Survive long enough to get on the parking garage elevator.
Escape From City 17 ( 20 points )
Escape City 17 with Alyx.
Fight the Power ( 10 points )
Shut down the supression device by disabling its generators.
Flamethrower ( 5 points )
Set five enemies on fire in 30 seconds.
Flushed ( 5 points )
Kill an enemy with a toilet.
Follow Freeman ( 10 points )
Gain command of a squad of rebels in the uprising.
Fratricide ( 5 points )
Do whatever it takes to survive in Portal.
Friendly Fire ( 5 points )
Knock down a turret with another turret.
Fruitcake ( 20 points )
Beat four Portal advanced maps.
Get Some Grub ( 20 points )
Squish every Antlion Grub in Half-Life 2 Episode Two.
Giant Killer ( 10 points )
Survive the rooftop strider battle in the ruins of City 17.
Gordon Propelled Rocket ( 5 points )
Unlock the rocket launcher lambda cache in the Under The Radar chapter.
Grave Robber ( 5 points )
Steal a Zombine's grenade.
Grey Matter ( 5 points )
Get 25 headshots as a Sniper.
Hack Attack! ( 5 points )
Kill five enemies with a Manhack.
Hard to Kill ( 10 points )
Get five kills in a row without dying.
Hardcore ( 15 points )
Accumulate 1000 total kills.
Head of the Class ( 5 points )
Play a complete round with every class.
Heartbreaker ( 10 points )
Complete Portal.
Heavy Weapons ( 5 points )
Get the airboat's mounted gun.
Hit and Run ( 5 points )
Run over 20 enemies with the car in Half-Life 2 Episode Two.
Hot PotatOwned ( 10 points )
Kill a Combine soldier with his own grenade.
Impenetrable Defense ( 10 points )
Successfully defend Dustbowl without giving up a capture.
Impossible Defense ( 30 points )
Successfully defend Gravel Pit without giving up a capture.
Into the Breach ( 5 points )
Help Griggs and Sheckley hold off the Antlion invasion inside the mine shaft.
Keep Off the Sand! ( 20 points )
Cross the antlion beach in chapter Sandtraps without touching the sand.
Lab Rat ( 5 points )
Acquire the fully powered Aperture Science Handheld Portal Device in Portal.
Lambda Locator ( 15 points )
Find all lambda caches in Half-Life 2.
Lightning Offense ( 10 points )
Win Well in 5 minutes or less.
Little Rocket Man ( 30 points )
Send the garden gnome into space.
Live Bait ( 10 points )
Help Alyx snipe 30 enemies in Half-Life 2 Episode One.
Long Jump ( 5 points )
Jump 300 feet in Portal.
Malcontent ( 5 points )
Escape the apartment block raid.
Master of Disguise ( 15 points )
Trick an opposing medic into healing you.
Neighborhood Watch ( 35 points )
Save all buildings outside the missile silo from destruction.
Nemesis ( 5 points )
Get five revenge kills.
One Man Army ( 5 points )
Destroy six gunships in Half-Life 2.
OSHA Violation ( 5 points )
Kill 3 enemies using the crane.
Pacifist ( 10 points )
Contain the Citadel core without killing any stalkers.
Partygoer ( 5 points )
Make the correct party escort submission position decision in Portal.
Payback ( 10 points )
Kill a Hunter with its own flechettes.
Pedal to the Metal ( 5 points )
Beat DOG in a race to the White Forest base.
Pinata Party ( 5 points )
Find and break every web cache in Half-Life 2 Episode Two.
Plaza Defender ( 10 points )
Survive the generator plaza standoff in chapter Anticitizen One.
Powerhouse Offense ( 5 points )
Win 2Fort with a shutout.
Puttin' On a Clinic ( 15 points )
Defeat the chopper in Half-Life 2 Episode Two without any misses.
Relentless Offense ( 20 points )
Win Hydro without giving up a capture.
Revenge! ( 10 points )
Destroy the hunter-chopper in Half-Life 2.
Rocket Science ( 20 points )
Earn silver medals on all Portal challenges.
Targetted Advertising ( 5 points )
Pin a soldier to the billboard in chapter Highway 17.
Team Doctor ( 5 points )
Accumulate 25000 heal points as a Medic.
Terminal Velocity ( 5 points )
Fall 30,000 feet in Portal.
The One Free Bullet ( 40 points )
Beat Episode One firing exactly one bullet. Grenade, crowbar, rocket, and Gravgun kills are okay.
Think Fast! ( 10 points )
Kill an Elite Soldier with his own energy ball.
Trusty Hardware ( 5 points )
Get the crowbar.
Turret ( 5 points )
Accumulate 10 turret kills with a single turret.
Two Points ( 2 points )
Use DOG's ball to make a basket in Eli's scrapyard.
Vanilla Crazy Cake ( 30 points )
Beat all six Portal advanced maps.
Vorticough ( 13 points )
Discover the hidden singing vortigaunt cave in chapter Water Hazard.
Warden Freeman ( 10 points )
Survive the second turret standoff in Nova Prospekt.
Watch Your Head! ( 5 points )
Make it to the bottom of the Citadel's main elevator shaft in one piece.
What cat? ( 5 points )
Break the mini-teleporter in Kleiner's lab.
With Friends Like these... ( 10 points )
Play in a game with seven or more players from your friends list.
World Traveler ( 5 points )
Play a complete game on every map.
Zero-Point Energy ( 5 points )
Get the Gravity Gun in Black Mesa East.
Zombie Chopper ( 25 points )
Play through Ravenholm using only the Gravity Gun.
Zombie-que ( 5 points )
Use flares to light 15 zombies on fire.
Alternate title screen (Portal)
Successfully complete the game to see the cake title screen.
Cheat mode (Half-Life 2)
Start the game with the -console command line parameter. Press ~ during game play to display the console window. Enter sv_cheats 1 at the console to enable cheat modes.
Code
Effect
impulse 101
All weapons
prop_debug
Bounding box debug
budda
Cannot die due to damage
hud_quickhelp/text? 1
Crosshairs on
hurtme < number >
Damage player by indicated amount
developer < 0-2 >
Developer mode
notarget
Enemies do not target you
god
God mode (Server only)
mat_numtexttureunits < number >
Limit texture units
map < map name >
Load indicated map
maps
Map list
noclip
No clipping mode
picker
Picker mode
exec < filename >
Run script file
air_density < number >
Set air density
sv_bounce < number >
Set bounce multiplier
dsp_explosion_effect_duration < number >
Set explosion length
sv_friction < number >
Set friction
sv_gravity < number >
Set gravity
sv_maxvelocity < number >
Set maximum velocity
sv_stopspeed < number >
Set minimum stopping speed
setang < number >
Set pitch yaw
sv_waterdist < number >
Set vertical view
give < weapon or item name >
Spawn indicated weapon or item
impulse 82
Spawn Jeep
npc_create_aimed
Spawn NPC
npc_create
Spawn NPC
showfps
Toggle framerate display
cl_drawhud < 0 or 1 >
Toggle HUD
cl_enablehud < 0 or 1 >
Toggle HUD
Cheat mode (Portal)
Enter the options menu, select "Controls", then "Advanced". Turn on the option for the console. Then press ~ during game play to display the console window. Type sv_cheats 1 to enable cheat mode.
Code
Effect
change_portalgun_linkage_id < 0-3 >
Allow separate sets of portals to be created
upgrade_portalgun
Allow use of second portal placement
fire_energy_ball
Fire an energy ball
sv_portal_placement_never_bump 1
Portal placement cannot be bumped
sv_portal_placement_never_fail 1
Portals can be placed on almost any surface
ent_create_portal_weight_box
Spawn Weighted Storage Cube
Commane line parameters (Half-Life 2)
Start the game with the following command line parameters..
Code
Effect
-fullscreen
Full screen mode
-heapsize < number >
Set heap size
-width < number > -height < number >
Set width and height of window
Left 4 Deadtrailer
To get a trailer for the upcoming Valve game Left 4 Dead, wait at the game selection screen (where you choose between Portal, Team Fortress, or Half-Life 2). After a few minutes you will be taken to a demo video of the three Orange Box games. Wait for the video to end, then wait again. The next time a video plays, it will be the Left 4 Dead trailer.
Map codes
Enter these with the 'map' code in the console. Press ~ to activate the console.
Code
Effect
ep1_c17_00
Spawns you at the beginning of Chapter 3
ep1_c17_01
Spawns you at the beginning of Chapter 4
ep1_c17_02
Spawns you in Chapter 4 City 17 after the first load point.
ep1_c17_02a
Spawns you in Chapter 4 City 17 after the second load point.
ep1_c17_02b
Spawns you in Chapter 4 City 17 after the third load point.
ep1_c17_00a
Spawns you in City 17 after the first load point.
ep1_citadel_01
Spawns you in the Citadel after the first load point.
ep1_citadel_02
Spawns you in the Citadel after the second load point.
ep1_citadel_03
Spawns you in the Citadel after the third load point.
ep1_citadel_02b
Spawns you in the Citadel before the lift ride.
ep1_c17_06
Spawns you in the last Chapter near the end.
ep1_c17_05
Spawns you in the last Chapter.
ep1_background01a
Spawns you looking in the car garage. (You are unable to move or do anything)
ep1_background02
Spawns you looking off into the damaged City 17. (You are unable to move or do anything)
ep1_background01
Spawns you looking up at the citadel. (You are unable to move of do anything)
ep1_citadel_04
Spawns you near the end of the Citadel.
credits
Starts you at the credits.
ep1_citadel_00
Starts you at the intro of the game.
Map names (Half-Life 2)
Use one of the following entries with the map code.
