Left 4 Dead 2. Cold Stream. Expert. Realism. Speedrun

Опубликовано: 09 Апрель 2026
на канале: lsdMyth
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Left 4 Dead 2.
Cold Stream.
Expert difficulty. Realism mode.
Speedrun with bots.

There is no cheat. Just luck & skill.

If you think it isn't expert look closely at bots health. Infected damage on expert 20hp (10hp from back). Tank damage - 100hp.

Some information about this speedrun. Cold Stream was added almost 3 years ago and still has a lot of bugs. After some attempts I realized it's impossible to avoid all of the bugs, so I decided to use them in my advantage (usually I don't do it, but it's the last campaign and I hate Cold Stream). Here is the list of bugs you can see in this video.
2:20 Some kind of a shortcut. Maybe it's not a bug, I don't know.
2:37 Alarm car prevents spawn of new common infected. Here is some explanation. The number of common infected (who can exist at the same time) is limited. New zombies could be spawned by AI Director if you killed some of them before. Also AI Director can remove some zombies far behind you to spawn new ones. But the alarm blocks spawn of new common infected far from the car, so all zombies should run after you through the whole map.
3:43 All dead survivors could respawn with 50 or 100 hp. It's absolutely random. Some of them could have 50 hp, others 100 hp. All of them could have 100 hp, all could have 50 hp. It's a bug, you can check this information yourself (maybe Valve will fix it in future, but I doubt).
4:15 Alarm car. Same thing as earlier.
4:40 You don't receive any damage after falling if you jump onto a ladder. As you can see coach teleported to me in the air and broke his legs.
5:15 Same bug with hp.
7:20 You can see random frames of the safe room. I have no idea why you can see it, but you always see it after you reached the helicopter. You can check it yourself as well (if Valve won't fix it).

Thank you for watching and comments.