Apologies for the inconsistencies in audio/editing/my voice. When I started the high quality videos I did not yet have a good video making process and was speaking soooo quietly. I have fixed some but not all of it cause I have to get this video out eventually and I want the files off my drive already.

0:00 How Valve protects you from a train
0:23 Hidden combine soldier
0:45 Sleeping manhacks
1:20 Odessa RPG weirdness
1:41 Citizens taking a gun from your hands
2:03 Pickups may change to suit your needs
2:26 Shooting enemy grenades vs your own
2:38 How the game prevents you from blocking the crane
3:25 Loading directly into a level
5:33 Glass concrete
5:39 Breaking the manhack door early
6:04 Seeing Manhack Matt die
7:05 Touching a strider's leg sends you flying
7:23 NPC nagging
9:23 Projectiles stick to crane magnets
9:41 Punting yourself with the gravity gun via headcrab
10:12 Being launched from poison damage
10:55 Looking at friendly NPCs makes you reload faster
11:26 Floor holes have buggy physics
12:23 Car battery puzzle has a safety net
13:09 Crossbow shots go through Alyx on only a single level
13:27 Crossbow shots get frozen by pickups
14:02 Cheating physics when it needs to work a certain way
16:35 Antlions will dig through anything
16:54 Citizens burn... weirdly
17:20 Moonwalking zombie torso
17:38 SMG-wielding NPCs leave a variable amount of ammo in the gun on death
18:16 Receiving health after dying makes you a flying zombie
19:39 NPCs are forced to be fair
19:52 Crow becomes confused if you get caught by barnacle before it does
20:43 NPCs fall through stairs
20:54 Some things activate by looking at them, what if you DON'T look?
27:16 Props get stuck in their "about to explode" state
27:47 Secret tram ride
28:33 Mysterious guy in a background view
29:11 Secret pod rides (which is totally different from secret tram rides)
30:38 Horse dick
30:47 Zombines drop grenade when shot in the arm
30:56 Water Hazard skip can be done in a slightly different way
31:28 Exploring Coast_07 and 08 when you're on the wrong map
33:20 Effects of loading into a level then going to the level before
46:38 Important NPCs can die
47:17 Obscure Grigori lines
47:56 Pacifism breaks a cutscene
49:11 Confusing the game by neither failing nor succeeding at fetch
49:55 Fragile padlocks
50:10 Grigori's electric bullets
50:34 Helicopter disappears in plain sight
51:02 Double Grigori
52:41 Grigori saying line in the wrong place
53:13 Gunship visible before it's active
53:31 Holding up a multi-ton train car
54:11 Shooting through glass
54:50 Floating wood
55:14 Headcrab hiding inside a barrel
55:35 Pickups collide with the same type of invisible walls that players do
56:31 Zombies ignore defenseless guy
56:48 Background maps
1:02:39 Longest Backtrack Possible
1:04:05 Radio Alarm in New Little Odessa
1:05:40 Citizens Pick Up Health
1:06:11 Crazy Harpoon
1:07:17 NLO out of order spawning
1:08:28 APCs are Mission-Critical
1:09:10 Ep2 Bridge Launches You
1:09:25 Noriko's Terrible Day
1:10:05 2nd "Hey Down There" Guy and Guy Climbing a Rope
1:10:28 Water Slows Down Rockets
1:11:06 Walking Around Before the Gman Speech
1:12:07 Invisible Couch and Box
1:13:02 Ignoring antlions in the first guard fight
1:14:59 Highway 17 train is harmless on foot
1:15:27 Storing antlions to amass an army
1:19:02 Infinite soldier spawns near bridge
1:21:02 Alyx phasing through car
1:21:16 Free floating energy balls have weird physics
1:21:33 Big tree shadow with no tree
1:21:44 Ep1 reuse of geometry
1:22:36 Alyx typing on an invisible computer in the car
1:23:16 If you enter a vehicle when leaving a ladder, you teleport back to the ladder when you leave the vehicle
1:24:29 Shotgun remembers that you wanted to fire
1:24:53 Coast 10 easy surf
1:25:27 Fire RPG then enter vehicle
1:25:54 NPC jumps blocked by pickups/weapons
1:26:22 Highway 17 binoculars make you invincible
1:26:57 Nova Prospekt dev texture
1:27:11 Blinky menu logos
1:27:31 Red Letter Day couch has 10,000 health
1:27:46 Town 2 fire can't hurt you if you're all the way against the fence
1:28:18 Entering the crane makes an awkward soldier get removed
1:28:41 Coast 7 train yeets rollermines
1:29:46 Canals 11, the airboat will teleport once so the vortigaunt can work on it, but you can mess with it
1:30:38 NPCs ignore you if you don't bring the airboat
1:31:02 Odessa ignores you if you play "floor is lava"
1:31:45 Coast 04 easy invisible wall to walk on
1:32:45 Avoiding the ambush outside of the Nexus
1:33:06 Nova Prospekt double doors continuously play announcement
1:34:02 Nova Prospekt get a good jump through the broken window to skip the last antlion guard
1:34:16 Shadows change angle sometimes
1:34:40 Citizens jump into the mine pit if you first jump onto the fence top