The Talos Principle, last year's terrific puzzler from the developers of Serious Sam, is getting an expansion called The Road to Gehenna. Following a different character, it'll launch on PC this spring, and come to PS4 and Nvidia Shield later this year. » 3/24/15 10:30am 3/24/15 10:30am

The First Five Minutes Of Parallax, First-Person Portal Puzzler

Traversing portals to solve puzzles split between two worlds, one black and white, the other white and black? Sounds like a simple enough concept to grasp in five minutes. » 3/11/15 12:00pm 3/11/15 12:00pm

How To Get The Good Ending In Five Nights at Freddy's 3

Unlike previous Five Nights games, Five Nights at Freddy's 3 has multiple endings. There is a bad ending, where you beat the game and the animatronics continue being haunted. And there is a good ending, where you put the spirits of the dead children to rest. » 3/04/15 2:30pm 3/04/15 2:30pm

Can You Solve 'The Hardest Logic Puzzle In The World'?

You're reading the first installment in a brand new puzzle series here at io9 – and what better way to kick things off than with the world's most difficult logic puzzle? » 10/05/14 4:00pm 10/05/14 4:00pm

Someone Might Have Solved The Silent Hills' Teaser's Biggest Puzzle

The Room has expanded. One of the very best mobile puzzle games is getting a sequel later this year, but this week it's gotten an epilogue. The mystery of The Room deepens with a free update for owners of the original game. Plus the game is only $.99 on iOS and Android right now. Get it. » 8/29/13 5:55pm 8/29/13 5:55pm

I Admit Defeat. The Icarus Box Has Bested Me.

I have stared and poked at this image for more than an hour over the past two days. I touch it, a red card pops up and a buzzer sounds. I have no idea what to do here, and The Icarus Box isn't keen to tell me. » 12/20/12 9:55am 12/20/12 9:55am

Ridiculously Obscure "Black Monolith" in Fez Rallies Gamers To A Group…

Fez is no stranger to obscure puzzles. The game is absolutely littered with them, some more complicated than others. » 4/18/12 4:45pm 4/18/12 4:45pm

Portal 2, The Best Game of 2011 is the Kotaku Game Club's First Game of…

Welcome back, Game Club! It's a brand new year, and we should make sure to start it on the right foot, right? There's no better way to do that, I think, then to play a game we know is going to be great. Since we just gave Portal 2 our Game of the Year Award, I'm pretty sure it's a good choice. » 1/04/12 5:45pm 1/04/12 5:45pm

An Older Guy Who Prefers Crosswords to Video Games

It's not that they're no fun, or have something against games, but we all know someone who seems to prefer the most analog means of interactive entertainment—a good old pencil and paper—over all of the modern media. Here are some gift ideas that will both cater to that preference and maybe nudge him to try something… » 12/06/11 7:30pm 12/06/11 7:30pm

Humans Triumph Over Machines In Protein Folding Game FoldIt

Two years ago students and instructors from the University of Washington applied human intuition to the problem of protein folding with the game FoldIt. Since then the game has proven that even under-educated players can out-fold the most powerful computers. » 8/05/10 3:20pm 8/05/10 3:20pm

House Sets Up House On The iPhone

From the hit NBC FOX medical drama comes Hands-On Mobile's House M.D. for the iPhone and iPod Touch. How does the intensity and excitement of differential diagnosis translate onto the iPhone? » 12/07/09 10:40am 12/07/09 10:40am

KENKEN Coming to DS, iPhone

I mentioned Sudoku-replacement KENKEN last week. An astute reader today points out that Capcom and Nintendo both have logos on the official KENKEN site. There's a reason for that. » 2/16/09 5:00pm 2/16/09 5:00pm

Mario Gets a Ransom Note

The -Minus World hallucinated a ransom demand from Bowser to Mario Re: Princess Peach (aka "ho" according to this) - but look closely. All the letters were cut from game-related logos. » 1/24/09 2:30pm 1/24/09 2:30pm

Puzzling Over Adventure Game Puzzles

There's a really nice (lengthy) article over at Adventure Classic Gaming that takes a look at puzzles in (as you can probably guess) adventure games, and how those forms have seeped into other genres. » 12/14/08 4:30pm 12/14/08 4:30pm

PopCap Planning Bloodless Zombie Apocalypse

Zombies are THE pop-cultural touchstones of our times. There is probably a deep-seated psychological reason for this based upon post-millennial angst, Generation Z nihilism and half a dozen other things, but I for one can't be bothered looking into it. Let's just say that if an actual » 11/18/08 3:20pm 11/18/08 3:20pm Zombie Apocalypse were to happen…