This script is a Tampermonkey userscript that adds a rain effect and a dark overlay (sad mod) to the website Drawaria.online. Here's how you can use it:

Steps to Use the Script:
Install Tampermonkey:

If you don't already have Tampermonkey installed, you need to add it to your browser.

Tampermonkey is available for:

Chrome

Firefox

Edge

Other browsers

Create a New Script:

Open the Tampermonkey dashboard by clicking its icon in your browser toolbar and selecting "Create a new script".

Delete any default code in the editor.

Paste the Script:

Copy the entire script provided above and paste it into the Tampermonkey editor.

Save the Script:

Click File > Save or press Ctrl + S (Windows) or Cmd + S (Mac) to save the script.

Visit Drawaria.online:

Go to Drawaria.online.

The script will automatically run, and you should see:

A rain effect with falling droplets.

A dark overlay that dims the screen for a "sad" or moody atmosphere.

What the Script Does:
Rain Effect:

Creates 200 raindrops that fall from the top of the screen to the bottom.

The raindrops are animated and appear randomly across the screen.

Dark Overlay:

Adds a semi-transparent black overlay to darken the screen, creating a somber mood.

No Interference:

The rain and overlay do not interfere with your ability to draw or interact with the website.

Customization:
If you want to tweak the script, here are some things you can modify:

Number of Raindrops:

Change the number 200 in the for loop to increase or decrease the number of raindrops.

Raindrop Speed:

Adjust the 1.5s in the animation property of the raindrops to make them fall faster or slower.

Dark Overlay Opacity:

Change the rgba(0, 0, 0, 0.4) value in the darkOverlay.style.backgroundColor to make the overlay darker or lighter.