What is The Sun Vanished?

A Twitter-based alternate reality game following an unnamed narrator on a parallel Earth where aliens have blocked the sun and started hunting people.

Where did The Sun Vanished come from?

The @thesunvanished account launched on April 30, 2018 with a first post that simply read, "Help.".

What does The Sun Vanished mean?

It refers to the in-story event that kicks off the ARG, an unexplained loss of sunlight tied to an alien invasion, along with the Twitter account documenting it.

How do you use The Sun Vanished?

Fans typically read the tweets in order from the first "Help." post, reply with suggestions for the narrator, and discuss theories on the /r/thesunvanished subreddit.

Is The Sun Vanished still popular?

It was one of the breakout Twitter ARGs of 2018, hitting over 300,000 followers within four months, and is still referenced in YouTube ARG retrospectives like the Night Mind coverage.

The Sun Vanished

2018alternate reality gameclassic

Published August 14, 2026

The Sun Vanished is a Twitter-based alternate reality game that launched in April 2018, following an unnamed narrator stuck on a parallel Earth where aliens have blotted out the sun and started hunting survivors. Its slow-drip mix of panicked tweets, fake newscasts, and grainy field videos pulled in over 300,000 followers within four months.

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Overview

The Sun Vanished is an alternate reality game that plays out on the Twitter account @thesunvanished, following an anonymous narrator stranded on a parallel Earth where extraterrestrials have snuffed out the sun and started hunting people1. Posts mix short panicked updates with grainy field videos of empty streets, doctored newscasts about the missing sun, and run-ins with zombie-like humans hypnotized by strange lights in the sky3.

The story fans out across a small cast of linked accounts, including @lostsunnews and @thmadjoy, plus recurring supporting characters like the narrator's friend Danyon, whose infection status stays a running question1. Fans often reply to tweets with advice, and the account sometimes appears to act on what followers suggest, which is a big part of what made The Sun Vanished stick as a participatory horror ARG2.

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Origin & Background

Platform

Twitter

Creator

Unknown

Date

2018

The @thesunvanished account went live on April 30, 2018 with a single-word first post reading, "Help."3. From that opening, the anonymous person behind the account built out a slow-drip science-fiction horror story, uploading fake news broadcasts about the vanished sun and asking followers what he should do as new threats appeared3. The identity of the operator was never confirmed publicly, and the account was written entirely in-character from day one1.

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How It Spread

Within roughly four months of the first tweet, @thesunvanished passed 300,000 Twitter followers, a jump that helped move The Sun Vanished from a niche curiosity into a widely tracked ARG1. A dedicated subreddit at /r/thesunvanished picked up more than 1,800 subscribers, and fans opened a TV Tropes page cataloging the story's beats and recurring motifs4. Redditor krabxdd wrote a full in-universe glossary explaining terminology from the tweets and the fan community3.

YouTube analysis channels pushed the reach further. An early breakdown by Inside a Mind pulled over 410,000 views, and horror-fiction channel Night Mind covered the ARG to about 92,000 views3. The Odyssey Online ran a write-up comparing the atmosphere of The Sun Vanished to H.G. Wells2. By July 17, 2018 the main account had already posted more than 210 in-character story tweets, with the plot still unresolved3.

How to Use This Meme

The Sun Vanished is a story to follow rather than a template to remix, so most engagement takes the form of reading tweets in order, replying with advice the narrator might act on, and swapping theories in the subreddit or in YouTube comment threads4. New fans typically start at the first "Help." tweet and scroll forward through the videos and photos in sequence3.