As part of its 20th Anniversary celebration, Half Life 2 got Developer Commentary from the original developers. Here are all the audio clips from the fourth chapter, Water Hazard.
0:00 - Dave Riller - Airboat Time
0:42 - Josh Weier - Floating Supplies
1:18 - Jeff Lane - Zombie Surprise
1:48 - Brian Jacobson - Grenade Intro
2:30 - Jay Stelly - Air Resistance
3:46 - Dave Riller - Puzzle Layers
5:02 - Doug Wood - Metrocop Strafing
5:37 - Jay Stelly - 3D Skybox
6:48 - Josh Weier - 357 Intro
7:19 - Mike Dussault - VMPI
8:31 - Jeff Lane - Mounted Gun
9:00 - Brian Jacobson - Helicopter Bombing Run
9:34 - Doug Wood - Smokestack Collapse
10:45 - David Speyrer - Washing Machine Puzzle
11:43 - Charlie Brown - Displacements 1/3
12:32 - Charlie Brown - Displacements 2/3
13:38 - Charlie Brown - Displacements 3/3
14:50 - Doug Wood - Gestures
15:29 - Jeff Lane - Airboat Change-up
16:22 - Eric Kirchmer - Skybox Time of Day
16:46 - Danika Rogers - Lambda Cache Interlude
17:11 - Eric Smith - Donkey Kong Barrel Ramp
17:38 - Brian Jacobson - Helicopter Megabomb Origin
17:54 - Quintin Doroquez - Arena Exit Gate
18:16 - Dave Riller - Helicopter Final Battle