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Pouring (Sanity) Down the Drain

After crashing their helicopter in an abandoned warehouse, barely injuring themselves, the survivors will make their way through the underground reaching a building that houses an infamous medical facility.

Pouring (Sanity) Down the Drain is a medium-size 4-chapters campaign with a dark atmosphere and some horror elements later in.
The big majority of the map is set indoors/underground and a lof of it is generally dark.

The campaign does have some side-objectives, secrets you might find exploring and easter eggs too.
Designed to be played with no issues in max difficulty (expert realism).

If you have your graphic settings set too low you might not see the gas leak causing fire on map 3 due to the particles being invisible so be careful)

in case you have the game instructor off, you need to find the fireworks box and use it on the fireworks launcher to start the finale

Versus supported (keep in mind i am not a versus player and i am not experienced with balancing maps for the mode, so i do take suggestions).

For the best experience here are my big recommendations:

1: If you plan exploring some hard-to-get secret routes, make sure you are with other players or have admin system since bots struggle severely through them
2: Fully disable music on chapter 3, it has its own soundtrack to set the mood
3: Game instructor is not required but recommended

If you are interested in replaying this campaign, here is some interesting info (avoid reading if you haven't played):
The orange keycard position in map 1 is randomized,
There are some really hard to find secret shortcuts in both map 1 and 2 that skips most of them,
Map 3 has 2 randomized routes you might get (1/4 chance of getting an alternative route),
After the explosion in map 3 you might get either a tank or a horde (you can predict the tank by the scream).
Map 4 has a hard mode trigger hidden behind a false bookshelf in the very beggining of the map.

Credits:
Mapping by Nekowhixp
Map 4 post-release navmesh and finale scripting by Jack Bauer ︻デ▬——
Map 4 release navmesh support by Salakirby
Map 3 and 4 skybox by Vinc3nt
Assets and textures from Valve, Loiste Interactive and Streum On Studio
Soundtracks by teamPsykskallar and Troika Games
and some free textures i found on the web

Source: https://github.com/alexiscoutinho/Pouring-Sanity-Down-the-Drain