*  0 Base Goldsource Shared Binaries
    * 1 Base Goldsource Shared Content
    * 2 Base Goldsource Shared Content Localized (deprecated)
    * 6 Base Goldsource Low Violence
    * 96 Half-Life High Definition Content
    * 10 Counter-Strike
          o 11 Counter-Strike Base Content
          o 12 Counter-Strike French
          o 13 Counter-Strike Italian
          o 14 Counter-Strike German
          o 15 Counter-Strike Spanish
          o 16 Counter-Strike Korean (Teen)
          o 17 Counter-Strike Simplified Chinese
          o 18 Counter-Strike Korean (Adult)
          o 19 Counter-Strike Traditional Chinese
    * 20 Team Fortress Classic
          o 21 Team Fortress Classic Base Content
          o 22 Team Fortress Classic French
          o 23 Team Fortress Classic Italian
          o 24 Team Fortress Classic German
          o 25 Team Fortress Classic Spanish
    * 30 Day of Defeat
          o 31 Day of Defeat Base Content
          o 32 Day of Defeat French
          o 33 Day of Defeat Italian
          o 34 Day of Defeat German
          o 35 Day of Defeat Spanish
    * 40 Deathmatch Classic
          o 41 Deathmatch Classic Base Content
          o 42 Deathmatch Classic French
          o 43 Deathmatch Classic Italian
          o 44 Deathmatch Classic German
          o 45 Deathmatch Classic Spanish
    * 50 Opposing Force
          o 51 Opposing Force Base Content
          o 52 Opposing Force German
          o 53 Opposing Force French
          o 56 Opposing Force Korean
    * 60 Ricochet
          o 61 Ricochet Base Content
          o 62 Ricochet French
          o 63 Ricochet Italian
          o 64 Ricochet German
          o 65 Ricochet Spanish
    * 70 Half-Life
          o 72 Half-Life French
          o 73 Half-Life Italian
          o 74 Half-Life German
          o 75 Half-Life Spanish
          o 76 Half-Life Korean (Teen)
          o 77 Half-Life Simplified Chinese
          o 78 Half-Life Korean (Adult)
          o 79 Half-Life Traditional Chinese
    * 80 Condition Zero
          o 81 Condition Zero Base Content
          o 82 Condition Zero French
          o 83 Condition Zero Italian
          o 84 Condition Zero German
          o 85 Condition Zero Spanish
          o 86 Condition Zero Korean (Teen)
          o 87 Condition Zero Simplified Chinese
          o 88 Condition Zero Korean (Adult)
          o 89 Condition Zero Traditional Chinese
          o 95 Condition Zero Models
    * 100 Condition Zero Deleted Scenes
          o 101 Condition Zero Deleted Scenes Base Content
          o 102 Condition Zero Deleted Scenes Models
          o 103 Condition Zero Deleted Scenes Sounds
          o 104 Condition Zero Deleted Scenes French
          o 105 Condition Zero Deleted Scenes Italian
          o 106 Condition Zero Deleted Scenes German
          o 107 Condition Zero Deleted Scenes Spanish
          o 108 Condition Zero Deleted Scenes Korean (Teen)
          o 109 Condition Zero Deleted Scenes Simplified Chinese
          o 110 Condition Zero Deleted Scenes Korean (Adult)
          o 111 Condition Zero Deleted Scenes Traditional Chinese
    * 130 Half-Life: Blue Shift
          o 131 Half-Life: Blue Shift French
          o 132 Half-Life: Blue Shift German
    * 150 Counter-Strike Steamworks Beta (deprecated, but still available)

Source Engine Games

    * 200 Base Source Shared
    * 201 Source Engine 64bit (for AMD64 CPU/OS)
    * 202 Source Init (VAC)
    * 203 Source Shared Securom
    * 206 Base Source Shared Materials
    * 207 Base Source Shared Models
    * 208 Base Source Shared Sounds
    * 209 Source Low Violence
    * 211 Source SDK
    * 212 Base Source Engine 2
    * 215 Source SDK Base Temporary ID, used to mount the Episode 1 engine in mods
    * 216 Source 2007 Binaries
    * 218 Source SDK Base 2007 Temporary ID, used to mount the OrangeBox engine in mods
    * 220 Half-Life 2
          o 221 Half-Life 2 Base Content
          o 223 Half-Life 2 French
          o 224 Half-Life 2 Italian
          o 225 Half-Life 2 German
          o 226 Half-Life 2 Spanish
          o 227 Half-Life 2 Simplified Chinese
          o 228 Half-Life 2 Korean (Teen)
          o 229 Half-Life 2 Korean (Adult)
          o 230 Half-Life 2 Traditional Chinese
          o 231 Half-Life 2 Japanese
          o 232 Half-Life 2 Russian
          o 233 Half-Life 2 Thai
          o 234 Half-Life 2 Portuguese
          o 236 Half-Life 2 Game Dialog
    * 240 Counter-Strike: Source
          o 241 Counter-Strike: Source Base Content
          o 242 Counter-Strike: Source Shared Content
          o 243 Counter-Strike: Source French
          o 244 Counter-Strike: Source Italian
          o 245 Counter-Strike: Source German
          o 246 Counter-Strike: Source Spanish
          o 247 Counter-Strike: Source Simplified Chinese
          o 248 Counter-Strike: Source Korean (Teen)
          o 249 Counter-Strike: Source Korean (Adult)
          o 250 Counter-Strike: Source Traditional Chinese
          o 251 Counter-Strike: Source Japanese
          o 252 Counter-Strike: Source Russian
          o 253 Counter-Strike: Source Thai
          o 260 Counter-Strike: Source Beta
    * 280 Half-Life: Source
          o 281 Half-Life: Source Base Content
          o 283 Half-Life: Source French
          o 284 Half-Life: Source Italian
          o 285 Half-Life: Source German
          o 286 Half-Life: Source Spanish
          o 287 Half-Life: Source Simplified Chinese
          o 288 Half-Life: Source Korean (Teen)
          o 289 Half-Life: Source Korean (Adult)
          o 290 Half-Life: Source Traditional Chinese
          o 291 Half-Life: Source Japanese
          o 292 Half-Life: Source Russian
          o 293 Half-Life: Source Thai
    * 300 Day of Defeat: Source
          o 301 Day of Defeat: Source Base Content
          o 302 Day of Defeat: Source Beta Originally for Day of Defeat: Source closed beta, reused for Day of Defeat: Source Steamworks beta
          o 304 Day of Defeat: Source Press Review version
    * 305 Source 2007 Shared Materials
    * 306 Source 2007 Shared Models
    * 307 Source 2007 Shared Sounds
    * 308 Episodic 2007 Shared
    * 310 Team Fortress 2 Dedicated Server
    * 311 Team Fortress 2 Linux Dedicated Server
    * 312 |all_source_engine_paths|hl2
    * 320 Half-Life 2: Deathmatch
          o 321 Half-Life 2: Deathmatch
    * 340 Half-Life 2: Lost Coast
          o 341 Half-Life 2: Lost Coast Content
          o 342 Half-Life 2: Lost Coast French
          o 343 Half-Life 2: Lost Coast German
          o 344 Half-Life 2: Lost Coast Italian
          o 345 Half-Life 2: Lost Coast Korean (Teen)
          o 346 Half-Life 2: Lost Coast Korean (Adult)
          o 347 Half-Life 2: Lost Coast Russian
          o 348 Half-Life 2: Lost Coast Simplified Chinese
          o 349 Half-Life 2: Lost Coast Spanish
          o 350 Half-Life 2: Lost Coast Traditional Chinese
    * 360 Half-Life Deathmatch: Source
          o 363 Half-Life Deathmatch: Source Client
    * 380 Half-Life 2: Episode One
          o 381 Half-Life 2: Episode One Content
    * 213 Half-Life 2: Episode One Content
    * 400 Portal
          o 401 Portal Content
          o 405 Portal English
    * 420 Half-Life 2: Episode Two
          o 421 Half-Life 2: Episode Two Content
          o 422 Half-Life 2: Episode Two Materials
          o 423 Half-Life 2: Episode Two Maps
          o 428 Half-Life 2: Episode Two English
    * 440 Team Fortress 2
          o 441 Team Fortress 2 Content
          o 442 Team Fortress 2 Materials
          o 443 Team Fortress 2 Client Content
    * 500 Left 4 Dead
          o 501 Left 4 Dead binaries
          o 502 Left 4 Dead base
          o 503 Left 4 Dead client binary
          o 504 Left 4 Dead sound
          o 513 Left 4 Dead Authoring Tools
    * 550 Left 4 Dead 2
          o 590 Left 4 Dead 2 Demo
    * 1300 SiN Episodes: Emergence
          o 1301 SiN Episodes Materials
          o 1302 SiN Episodes Models
          o 1303 SiN Episodes Sounds
          o 1304 SiN Episodes Core
          o 1305 SiN Episodes: Emergence Content
          o 1306 SiN Episodes: Emergence German
          o 1307 SiN Episodes: Emergence German Preload
          o 1315 SiN Episodes: Emergence Russian
          o 1308 SiN Episodes Arena
          o 1316 SiN Episodes Unabridged
          o 1317 SiN Episodes SDK
    * 2100 Dark Messiah of Might and Magic
    * 2110 Dark Messiah Multiplayer Open Beta
          o 2111 Dark Messiah Multiplayer Open Beta Materials
          o 2112 Dark Messiah Multiplayer Open Beta Generic Materials
    * 2130 Dark Messiah Might and Magic Multi-Player
    * 2400 The Ship
          o 2401 The Ship
          o 2402 The Ship Common
          o 2412 The Ship Shared
          o 2410 The Ship Beta
                + 2411 The Ship Beta Content
    * 2430 The Ship Tutorial
          o 2406 The Ship Tutorial Content
          o 2405 The Ship Single Player Content
    * 2450 Hollywood Murder Party Not publicly available
    * 2600 Vampire The Masquerade - Bloodlines
    * 4000 Garry's Mod
          o 4001 Garry's Mod Content
    * 17500 Zombie Panic! Source
    * 17510 Age of Chivalry
    * 17520 Synergy
    * 17530 D.I.P.R.I.P.
    * 17550 Eternal Silence
    * 17580 Dystopia
    * 17700 Insurgency
    * 17730 Smashball

Server Files

    * 4 Half-Life Dedicated Server Linux
    * 5 Half-Life Dedicated Server
    * 204 Source Dedicated Server Linux
    * 205 Source Dedicated Server
    * 210 Source Dedicated Server
    * 510 Left 4 Dead Dedicated Server
    * 540 Left 4 Dead Demo Dedicated Server
    * 1203 Red Orchestra Windows Dedicated Server
    * 1204 Red Orchestra Linux Dedicated Server
    * 1314 SiN 1 Dedicated Server
    * 2145 Dark Messiah Might and Magic Dedicated Server
          o 2144 Dark Messiah Might and Magic Dedicated Server Content
    * 2403 The Ship Dedicated Server
    * 2413 The Ship Dedicated Server Beta
    * 2460 Hollywood Murder Party Dedicated Server Not publicly available
    * 4210 Race Internal Beta Dedicated Server
    * 4240 Race Dedicated Server
    * 17505 Zombie Panic! Source Dedicated Server
    * 17515 Age of Chivalry Dedicated Server
    * 17525 Synergy Dedicated Server
    * 17535 D.I.P.R.I.P. Dedicated Server
    * 17705 Insurgency Dedicated Server

Demos

    * 219 Half-Life 2: Demo
    * 410 Portal: The First Slice
          o 411 Portal: The First Slice content
    * 530 Left 4 Dead Demo (preload only)
    * 590 Left 4 Dead 2 Demo (preload only)
    * 1003 Rag Doll Kung Fu Demo
    * 1502 Darwinia Demo
    * 1540 Multiwinia Demo
    * 1710 Arx Fatalis Demo
    * 2120 Dark Messiah Singleplayer Demo
    * 2510 Shadowgrounds Demo
    * 2530 Gumboy Demo
    * 3210 Painkiller Demo
    * 3302 Bejeweled 2 Deluxe Demo
    * 3312 Chuzzle Deluxe Demo
    * 3322 Insaniquarium Deluxe Demo
    * 3332 Zuma Deluxe Demo
    * 3342 AstroPop Deluxe Demo
    * 3352 Bejeweled Deluxe Demo
    * 3362 Big Money Deluxe Demo
    * 3372 Bookworm Deluxe Demo
    * 3382 Dynomite Deluxe Demo
    * 3392 Feeding Frenzy 2 Deluxe Demo
    * 3402 Hammer Heads Deluxe Demo
    * 3412 Heavy Weapon Deluxe Demo
    * 3422 Iggle Pop Deluxe Demo
    * 3432 Pizza Frenzy Deluxe Demo
    * 3442 Rocket Mania Deluxe Demo
    * 3452 Typer Shark Deluxe Demo
    * 3462 Talismania Deluxe Demo
    * 3472 Bookworm Adventures Deluxe Demo
    * 3840 Psychonauts Demo
    * 4102 Poker Superstars II Demo
    * 4610 Full Pipe Demo
    * 4710 Medieval II: Total War Demo
    * 4910 Zen of Sudoku Demo
    * 6110 Eets Demo
    * 6320 The Longest Journey Demo
    * 6410 Joint Task Force Demo
    * 6530 Lost Planet Extreme Condition Demo
    * 6540 Lost Planet Extreme Condition DX10 Demo
    * 6610 Bullet Candy Demo
    * 6930 Just Cause Demo
    * 6940 Battlestations Midway Demo
    * 7080 Infernal Demo
    * 7710 Bioshock Demo
    * 9080 Quake III Arena Demo
    * 9090 Quake III: Team Arena Demo
    * 9100 Doom 3 Demo
    * 9120 Hexen II Demo
    * 9130 Quake II Demo
    * 10010 Enemy Territory: QUAKE Wars Demo
    * 21310 Gravitron 2 Demo
    * 29170 Blueberry Garden Demo
    * 32162 Zombie Bowl-O-Rama Demo

Developer Files

    * 211 Source SDK
    * 215 Source SDK Base
    * 218 Source SDK OrangeBox Base
    * 513 Left 4 Dead Authoring Tools
    * 1220 Red Orchestra SDK
          o 1221 Red Orchestra SDK (1)
          o 1222 Red Orchestra SDK (2)
    * 1317 SiN Episodes SDK
          o 1318 SiN Episodes SDK Content
    * 1634 Disciples II Rise of the Elves Scenario Editor
    * 1644 Disciples II: Galleans Return Scenario Editor
    * 2505 Shadowgrounds Editor

Third Party Games

    * 480 Spacewar/SteamworksExample
    * 1000 Rag Doll Kung Fu
    * 1001 Rag Doll Kung Fu Beta
    * 1200 Red Orchestra: Ostfront 41-45
    * 1210 Red Orchestra Beta
    * 1309 SiN 1 Multiplayer
    * 1313 SiN 1
    * 1500 Darwinia
    * 1510 Uplink
    * 1520 DEFCON
    * 1530 Multiwinia
    * 1600 Dangerous Waters
    * 1610 Space Empires IV Deluxe
    * 1620 Jagged Alliance 2 Gold
    * 1630 Disciples II: Rise of the Elves
    * 1640 Disciples II: Galleans Return
    * 1660 Birth of America
    * 1670 Iron Warriors: T72 Tank Command
    * 1690 Space Empires V
    * 1700 Arx Fatalis
    * 1900 Earth 2160
    * 2200 Quake III Arena
    * 2270 Wolfenstein 3D
    * 2280 The Ultimate Doom
    * 2290 Final Doom
    * 2300 Doom II
    * 2310 Quake
    * 2320 Quake II
    * 2330 Quake II Mission Pack 1: The Reckoning
    * 2340 Quake II Mission Pack 2: Ground Zero
    * 2350 Quake III: Team Arena
    * 2360 Hexen
    * 2370 Hexen: Deathkings of the Dark Citadel
    * 2390 Heretic: Shadow of the Serpent Riders
    * 2500 Shadowgrounds
    * 2520 Gumboy - Crazy Adventures
    * 2610 GUN
    * 2620 Call of Duty
    * 2625 Call of Duty Singleplayer
    * 2630 Call of Duty 2 Multiplayer
    * 2635 Call of Duty 2 Singleplayer
    * 2640 Call of Duty: United Offensive
          o 2645 Call of Duty: United Offensive Singleplayer
    * 2720 ThreadSpace: Hyperbol Stress Test
    * 2740 ThreadSpace: Hyperbol Dedicated Server
    * 2800 X2: The Threat
    * 2810 X3: Reunion
    * 2900 688(I) Hunter-Killer
    * 2910 Fleet Command
    * 2920 Sub Command
    * 2930 Birth of America
    * 2990 FlatOut 2
    * 3000 GTI Racing
    * 3010 Xpand Rally
    * 3300 Bejeweled 2 Deluxe
    * 3200 Painkiller Gold Edition
    * 3310 Chuzzle Deluxe
    * 3320 Insaniquarium Deluxe
    * 3330 Zuma Deluxe
    * 3340 AstroPop Deluxe
    * 3350 Bejeweled Deluxe
    * 3360 Big Money Deluxe
    * 3370 Bookworm Deluxe
    * 3380 Dynomite Deluxe
    * 3390 Feeding Frenzy 2 Deluxe
    * 3400 Hammer Heads Deluxe
    * 3410 Heavy Weapon Deluxe
    * 3420 Iggle Pop Deluxe
    * 3430 Pizza Frenzy Deluxe
    * 3440 Rocket Mania Deluxe
    * 3450 Typer Shark Deluxe
    * 3460 Talismania Deluxe
    * 3470 Bookworm Adventures Deluxe
    * 3700 Sniper Elite
    * 3800 Advent Rising
    * 3810 BloodRayne
    * 3820 BloodRayne 2
    * 3830 Psychonauts
    * 3900 Sid Meier's Civilization IV
    * 3910 Sid Meier's Civilization III Complete
    * 3920 Sid Meier's Pirates!
    * 3930 Serious Sam 2
    * 3960 Shattered Union
    * 3970 Prey
    * 4100 Poker Superstars II
    * 4200 RACE Internal Beta
    * 4230 RACE
    * 4300 RoboBlitz
    * 4400 City Life
    * 4410 City Life Deluxe
    * 4500 S.T.A.L.K.E.R.: Shadow of Chernobyl
    * 4600 Full Pipe
    * 4700 Medieval II: Total War
    * 4730 Outrun 2006: Coast 2 Coast
    * 4800 Heroes of Annihilated Empires
    * 4900 Zen of Sudoku
    * 6100 Eets
    * 6200 Ghost Master
    * 6210 Vegas Make It Big
    * 6300 Dreamfall: The Longest Journey
    * 6310 The Longest Journey
    * 6400 Joint Task Force
    * 6510 Lost Planet Extreme Condition
    * 6570 Onimusha 3: Demon Siege
    * 6600 Bullet Candy
    * 6880 Just Cause
    * 7060 Infernal
    * 7110 Jade Empire: Special Edition
    * 7420 Wik and the Fable of Souls
    * 7600 Sid Meier's Railroads
    * 7670 Bioshock
    * 7940 Call of Duty 4: Modern Warfare Singleplayer
    * 8400 Geometry Wars
    * 8670 Play Andy Priaulx Crowne Plaza Raceway(free addon)
    * 9000 Spear of Destiny
    * 9010 Return to Castle Wolfenstein
    * 9030 Quake Mission Pack 2: Dissolution of Eternity
    * 9040 Quake Mission Pack 1: Scourge of Armagon
    * 9050 Doom 3
    * 9060 Hexen II
    * 9070 Doom 3: Resurrection of Evil
    * 9180 Commander Keen
    * 11020 TrackMania Nations Forever
    * 11250 Pacific Storm
    * 12900 Audiosurf
    * 13210 Unreal Tournament 3
    * 17390 Spore (Kinda Confirmed Here)
    * 17600 Out of the Park Baseball 9
    * 18000 Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness, Episode One
    * 18400 Crazy Machines 2
    * 19000 Silent Hill Homecoming
    * 23200 I-Fluid
    * 24920 Dragon Age: Origins - Character Creator
    * 26800 Braid
    * 29160 Blueberry Garden
    * 35900 The Legends of Arkanoid