While there are many kinds of riddles in Alone in the Dark, you will first come across a zodiac combination puzzle in Perosi's Room. Given it is the first of its kind, you will likely be at a loss as ...

You have to solve the Combination Lock puzzle in Resident Evil 4 at the Village Chief's Manor to progress with the story in Chapter 2. Once you input the correct symbol combination in Resident Evil 4, ...

Having completed the butterfly puzzle on the first floor of the Red House, you'll now have access to explore the basement below the Red House. As you'd expect, the basement has it's own secrets as you ...

Grade school math students are likely familiar with teachers admonishing them not to just guess the answer to a problem. But a new proof establishes that, in fact, the right kind of guessing is ...

Most linear algebra courses start by considering how to solve a system of linear equations. \[ \begin{align} a_{0,0}x_0 + a_{0,1}x_0 + \cdots a_{0,n-1}x_0 & = b_0 ...

You need to enter the correct D1 combination lock code on 3F of Brookhaven Hospital in Silent Hill 2 so you can get the Filthy Bracelet required to help solve the Hand puzzle. It involves a lot of ...