It's the Final Sunday Puzzle, People. Let's Talk Tubers.

The Martian is a book by Andy Weir about how potatoes will become the first food crop on Mars. Alright, itâ€™s about more than that, but anyone who has read Weirâ€™s novel knows potatoes get plenty of mentions. Anyway, the point is: This week, in honor of Mark Watneyâ€™s space spuds, weâ€™re featuring a puzzle about Martianâ€¦

This Week's Puzzle Puts Your Logical Reasoning to the Test

Donâ€™t answer this puzzle too quickly. Read the question closely, and consider your answer carefully (especially if youâ€™ve seen this kind of puzzle before).

There's a Star Hiding in This Image. Can You Find It?

This brain teaser is a little different from the ones I usually feature on Sunday Puzzle. Thereâ€™s no logic. No math. No tricky wording. Just an illustration and a hidden object. Some of you will spot it quickly. Others of you will not.

Can You Outwit Tens of Thousands of New York Times Readers?

Hereâ€™s a fantastic exercise in thinking about thinking: The Upshot at the NYT is hosting an interactive puzzle that pits you against every other person who attempts the puzzle. Itâ€™s... a bit of a mind game.

This Puzzle Is Completely Absurd (but You Can Still Solve it)

Sometimes a seemingly meaningless puzzle makes just enough sense for you to solve it. This is one of those puzzles.

Can You Solve Isaac Newton's Tree Puzzle?

This weekâ€™s puzzle is not about gravity, though youâ€™d be excused for suspecting as much. After all, when most people read â€śIsaac Newtonâ€ť and â€śtreeâ€ť in the same sentence, they think also of falling apples. But this weekâ€™s puzzle, which is widely attributed to Newton, is actually an exercise in orderly arboriculture.

There's a Secret to Winning This Game Every Time. Can You Spot it?

In this weekâ€™s puzzle, two players face off in an unusual tabletop game. Itâ€™s one you can play yourselfâ€”and, if you know the strategy, win every time.

This Library Contains an Unusual Book. Can You Say What It's About?

In this weekâ€™s Sunday Puzzle, weâ€™re heading to the library. But not just any library.

Sunday Puzzle is on holiday this weekend. In its place, try your hand at this puzzle from The New York Times. NYTâ€™s David Leonhardt calls it short, interactive game that â€śsheds light on government policy, corporate America and why no one likes to be wrong.â€ť I like it because itâ€™s meta. Itâ€™s a puzzle aboutâ€¦

Here Are Three "Simple" Puzzles That Many People Get Wrong Anyway

Have you ever arrived at the wrong solution to a problem, but been so confident in your answer that it took you forever to see the error of your ways? This week, weâ€™re featuring three straightforward puzzles that commonly elicit not just incorrect answers, but unwavering confidence from those who supply them.

To Solve This Puzzle,Â You'll Need To Think Like Two People

You and a fellow traveler have been imprisoned by a mad king with an unaccountable penchant for logic puzzles (as mad kings do). Can the two of you solve his riddle and escape with your livesâ€”more importantly, can you do it without communicating with one another?

Here's A Practical Puzzle: How Quickly Can You Toast And Butter Bread?

This weekâ€™s puzzle is an optimization problem: Can you determine the fastest way to toast and butter three slices of bread? (Itâ€™s harder than it sounds.)

The Answer To This Riddle Is Not "6"

Can you determine what goes in place of the question mark?

This Week's Puzzle Requires Outside-The-Box Thinking. Really!

Or rather, more accurately, it requires outside the â€śpenâ€ť thinking â€” pigpen thinking, to be exact.

Sunday Puzzle Hiatus: Try Some Lateral Thinking Puzzles On For Size

Weâ€™re on the road this week, sans computer. In place of the Sunday Puzzle column, I thought Iâ€™d turn you on to Futility Closet, and some lateral thinking puzzles recently featured on its podcast.

Can You Figure Out How To Survive This Week's Puzzle?

This weekâ€™s puzzle puts you at the mercy of an unjust torturer. Explaining why he is unjust can help you make sense of a daunting mathematical proof that last year made headlines for being â€śbigger than Wikipedia.â€ť

How Quickly Can You Cross This Bridge?

Before you is a rickety bridge, at your back a raging wildfire. With you are three people, some of them slower than others. Can you all cross to safety in time?

The Answer To This Puzzle Is Not What You'd Expect

Thereâ€™s an obvious answer to this classic puzzle, and thereâ€™s the correct answer. Which will you choose?

You Can Solve This Puzzle By Following One Simple Rule

Itâ€™s time for another blindfold puzzle! As weâ€™ve seen before, brain teasers like this one arenâ€™t even proper puzzles when you can see whatâ€™s in front of you. But remove vision from the equation, and youâ€™re left with a seriously devious riddle.