Singaporeans are naturally a bit kaypoh, which is probably why conspiracy theories, urban legends, and those “wait, but what if it’s actually true?” stories spread so easily here. Some of them have been floating around for years, passed from army boys to taxi uncles to school friends, before eventually finding new life on Reddit threads and late-night group chats.
From ghostly roadside encounters to bizarre MRT and NS theories, we’ve somehow built up a pretty solid archive of local rumours that refuse to die. Of course, a quick disclaimer before we begin: these are all unproven theories, urban legends, and internet lore, not facts. But if you’re in the mood to spiral a bit, here are 6 Singapore conspiracy theories that people still swear by to this day.
Here’s one from the NS bois. Among the many Tekong theories that have floated around for years, one of the most common is that the infamous “Tekong cough” is somehow caused by the camp’s water. According to this theory, it’s not just the close quarters or constant exposure to sick bunkmates – there’s apparently something about the water itself that’s out to get everyone.
One Reddit user wrote: “My friends and I have all fallen ill. I’ve been coughing, sneezing, having a sore throat and many other symptoms for the past 3 weeks and it started right after my first book out. If anyone has any remedies e.g. purification tablets or medicines pls lmk, this is unbearable especially during PT when I can’t breathe. My family is also concerned. The clinics and MO just give me lozenges and painkillers but ironically, I feel like my body is dying more than this sickness.”
Others chimed in with similar suspicions, with one saying, “Half my section had it at some point. Plenty of theories as to the cause… I suspect Tekong’s over-chlorinated water…” Another added, “There’s def something wrong with Tekong water – it made my admin bottle stink like crazy despite me washing the bottle every day.”
Granted, this theory isn’t proven. But judging by how many servicemen seem ready to back this theory with their whole chest, it’s clearly not going away anytime soon.
We love a good Reddit rabbit hole, and this is one of the more iconic local theories floating around online. According to the rumour, Marina Bay Sands was originally meant to be just 3 towers, but the observation deck was later added because the design looked too much like 3 joss sticks without it. We all know how pantang Singaporeans can be, even our government.
Because that was seen as inauspicious, the “boat” on top was needed to balance things out. True or not, we’re not complaining – because that addition is now home to the iconic Marina Bay Sands SkyPark and the hotel’s famous rooftop infinity pool. And that has since become one of the most recognisable parts of Singapore’s skyline.
Image credit: Run Different SG
If there’s one local ghost story that refuses to retire, it’s this one. Devil’s Bend along Old Upper Thomson Road has long been known as one of Singapore’s creepiest stretches, thanks to its history as a dangerous section of the old Singapore Grand Prix circuit. Even before the ghost stories came in, the road already had a reputation for being narrow, sharp, and generally not somewhere you’d want to test your luck for fun.
Image for illustrative purposes only.
But the real reason it lives rent-free in local urban legend is the story of the woman in white. According to the tale, cab drivers passing by the area late at night might pick up a quiet female passenger dressed all in white. Everything seems normal at first – until they drop her off and realise the cash she handed over for the fare has somehow turned into hell notes.
Which, frankly, is already bad enough. Getting ghosted is one thing, but getting paid in afterlife currency is a whole new level of sian.
Between the road’s dark history and the number of accidents that have happened there over the years, plenty of Singaporeans still believe there’s something off about the place. It remains a superstition, of course – but a lot of Singaporeans really believe this place is “cursed” – especially with the many accidents that coincidentally have occurred here.
We love hearing stories from cab drivers. This is exactly the kind of theory you’d expect to hear from a taxi uncle in the early 2000s, and somehow it has stuck around for years. The rumour goes that mainland Singapore is shaped like a crab, which is why some MRT lines run above ground while others go underground – supposedly to avoid “piercing” the island’s vital organs, like the heart and lungs.
According to the theory, if engineers get too ambitious and tunnel through the wrong parts, the whole island could end up sinking into the sea.
You know, if Singapore really is crab-shaped, maybe that explains why chilli crab somehow ended up being our unofficial national food too.
Image credit: @nrhtdytz via Instagram
One of Pulau Ubin’s most famous legends centres on the German Girl Shrine, which has somehow taken on a life of its own in local imagination. It’s not just a niche ghost story either – over the years, the shrine has inspired documentaries, a stage play, a telemovie, and even a piece written for a Chinese orchestra.
According to the most commonly repeated version of the story, the shrine commemorates a German girl whose family lived on a coffee plantation on Ubin in the years around World War I. When British forces reportedly came to detain the family, the girl is said to have fled into the woods, where she later fell off a cliff and died. Locals supposedly found her body, buried her, and over time built a shrine in her memory.
Image credit: @kurtganapathy via Instagram
That alone would already be enough to keep the legend going, but of course Singaporean folklore had to add a supernatural bonus. The story eventually evolved into a local superstition that if you leave behind offerings like toys, sweets, dolls, or makeup, the girl’s spirit might bless you with good luck in return.
To this day, feminine items are still deposited at the shrine, and some people swear they’ve seen her figure around the area too.
We all know NS has some of the most nonsense stories – and this one is peak NS conspiracy theory.
Image credit: @defencepioneersg via Instagram
The rumour goes that underneath every SAF cookhouse is some secret cloning lab, where a single “master” fish and one “master” chicken are kept for life. Every day, clones are supposedly churned out from these 2 creatures, then cooked up and served to generations of soldiers. According to believers, this explains why the fish and chicken always seem to look and taste the same no matter where you are.
As one Redditor put it: “There’s actually a cloning lab under all the cookhouses in SAF camps. In these labs, they’ll maintain just one ‘master’ fish and one chicken. Every day, staff from the cookhouse would produce clones from that one fish and one chicken, and proceed to cook the clones for everyone. That’s why we always have the same gosh darn fish and chicken for every single meal in SAF cookhouse.”
And, unsurprisingly, plenty of Singaporean guys seemed more than happy to accept this as canon. Replies on r/Singapore included gems like, “No wonder the Tekong chicken so big,” “I refuse to accept any other explanation after reading this,” and “I accept this theory. All evidence supports this claim.”
Image credit: SpongeBob SquarePants
Someone even said: “I am reminded of that SpongeBob comic where the patties are made from a Patrick clone.” Aye, aye Captain.
Indulging in unresolved mysteries and hantu stories are one of Singaporeans’ favourite pastimes. Part of the appeal is that people are always trying to connect the dots, question what they’re told, and wonder if there’s something hidden beneath the surface.
That’s the instinct that Disclosure Day, in cinemas now, taps into. The 2026 sci-fi film is directed by Steven Spielberg and stars Emily Blunt and Josh O’Connor. Its premise explores how humanity might react if proof of extraterrestrial life were suddenly revealed, but it isn’t pitched as just another aliens-attack blockbuster.
Early coverage has framed it more in Spielberg’s familiar mode of wonder, truth-seeking and emotional reckoning, with Spielberg himself saying the film contains “more truth in it than we are led to believe” when it comes to UFOs.
If these local conspiracy theories scratched that same “but what if?” itch for you, Disclosure Day might be right up your alley. After all, whether it’s NS cookhouse cloning labs, haunted bends, or global cover-ups, people are always searching for answers and wondering if the full story has really been revealed.
This article was brought to you by Disclosure Day.
Image adapted from: @defencepioneersg via Instagram
Passed down from army boys to taxi uncles to school friends.
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