"This Library is HUGE!," You say aloud. You hear your voice echoing through the halls and nothing else. How could this be? Who comes here? You start examining the books on the shelves. It's just your run-of-the-mill selection of fiction books. None of them look familiar, though. You are on your w...

Virus Detected!!! Your computer, which is represented by the grid pictured, has been infected. The bugs are clearly marked. It's your job to inject your awesome anti-virus code in the proper computer address (grid coordinate). This virus is smart though. You must follow these instructions...

I am a fiction character that follows these criteria: A maiden huntress, whose life was brief I left my brother with a lot of grief Died fiddling with lots of gears My friends, my friends, cast a lot of tears

I'm new here! Here's an enigmatic puzzle I created.The answer will be one word. I don't understand these symbols, but hey, at least they work!

Of course, I may be too early, but here it is: When I promised not to tell I didn't know why not But when I came up with "freckles" I knew it had to stop I got caught by the talented And wore a sign that said That I was not to be trusted Oh no, oh no, not me!

I have a cryptic bookshelf that I keep fiction books in. However, some of them are lost, and I don't know which ones go where! Shelf One: The Lightning Thief by Rick Riordan Thunder and Shadow by Erin Hunter [MISSING] School of Fear by Gitty Daneshvari Harry Potter and the Chamber of Secrets by ...

It can be hard or soft It’s closer than you think The fog is clearing It’s wet in there

This is a challenge in the discord server . Aand its tricky

When a question is a duplicate, or on hold, you can see a sign, e.g. [on hold], next to the title in the list of questions, so that you don't waste your time clicking on it unless you really want to. When it is locked, however - which happens a lot due to the ongoing contest politics - I don't s...

In Tetris, Mr. T loves performing Perfect Clears, when a piece clears all lines in the playing field. As you might guess, when it comes to tetriminos, he has a personal favorite: the undeniably cutest O piece. But a Perfect Clear using only O pieces is not terribly exciting, so Mr. T wants to use...

Simple Follow the instructions on the label. In case you the image is too small, Given three bottles: 8, 5 and 3 liters capacity, divide 8 liters in half (4 + 4 liters) with the minimum number of wine transfers. Note that the 8-liter bottle is initially filled with 8 liters of wine and the...

Your Puzzle There is some sort of pattern in cards below. Simply figure out what the next card should be. Note: You cannot re-use a card already in play.

Double or Take is a two-player number game. Alice starts by selecting any positive integer. Bob's options are to subtract a perfect square subtract a perfect cube, or double the number. Alice then takes the result, and has the same options. Play alternates, with the winner being the first p...

Your Cards... You have to figure out what the next row of 4 cards will be. There is a pattern in there somewhere, promise. Good Luck

I know that today is an important day, but I can't remember why... All I have in my possession is this formula I wrote last night in my drunken stupor: You go here: $$B = 25 + \biggl(\frac{O}{C}\biggr)^3 + E * \sin{\sqrt{L}}$$ When names are nouns, variables are? One, one, two,...

A harder sequence to figure out... What are the next 4 cards, including suits?

A piece is missing! What should it be?

Simply figure out how long I had to walk... Ps. Stop googling to find similar answers! I want to see you challenge yourself, especially our younger crowd. :)

Simply figure out the last row...

I am a figment of your imagination. You travel on me but only forward. I create everything and also destroy everything if exposed to me long enough. No one or no thing has survived me and will not. Many have tried to conquer me and failed. What am I?

Where are my computer related puzzles? So this is a little different from my computer related questions. I thought I would broaden my puzzle ideas. Note: The algorithm to solve is not that hard, so I am wondering how long it takes you guys once you start the puzzle.

Well, can you? Q, E, O, ? This is probably a simple one, but good luck as always!

The sentence below is out of alphabetical order, but can you prove it? As always, good luck! All because blue cheeses fell happily.

Someone living in the remote cabin that you do put a virus onto your PC. Here are your suspects: Your brother, Liam, who only tells the truth about his opinions. Your sister, Irene, who tells the truth 50% of the time, is a snitch, and is close to her brother, Aaron. Your brother, Aaron, who is...

The Plot You work for a tech company in Tampa, FL. Recently there was a break-in, and the company's trade secrets were stolen. Company PI have tracked the briefcase containing the secrets to the building you are in now. They are in three different places. Task 1 Decypher Keycode and open fi...

A worldwide criminal has been hiding in Japan recently, however nobody knows where he is. The FBI intercepted one of his messages to his team. I am hiding in something you won't expect. Maybe you're even wrong. But I have to do this. Just remember: Athena Parthenos, Athens, Greece (used to ...