Halloween brain teasers: ten to try this October, with answers

Want a puzzle that feels like October but won't frighten anyone? Here are ten Halloween brain teasers to try this month, from quick riddles for children to number puzzles, two logic teasers and a pumpkin patch line puzzle, with every answer saved for the end of the page.

They're all original or freshly dressed up for the season. Try one a day in the run-up to Saturday 31 October, or save the whole set for a party, a classroom or a quiet evening with a cup of something warm.

How to use these Halloween brain teasers

Each teaser has a small label, so you can pick the right one for whoever's playing.

• Easy suits children from about seven, and anyone who wants a gentle start.
• Medium needs a pencil or a bit of thinking out loud.
• Tricky is for the person at the table who likes to be stuck for a while.

Read them aloud if you're playing with a group. Give people time before anyone shouts the answer, and have one small clue ready for each. A good hint doesn't give the answer away. It just points at the part of the puzzle worth looking at again.

Warm-up Halloween riddles for all ages

1. The glowing face (Easy)

I have a face that glows at night but no head behind it. I'm hollow inside, I sit on doorsteps in October, and by November I'm soup or compost. What am I?

2. The foggy lane (Easy)

On a foggy night, the more of these you take down the lane, the more of them you leave behind you. What are they?

3. The dark hallway (Easy)

The power has gone out at a Halloween party. In the hallway you find one match, a candle, an oil lamp and a fireplace laid with wood. Which do you light first?

All three are about noticing the one detail that matters. That same habit helps with every puzzle further down this page.

Number teasers with a Halloween twist

4. The sweet bowl (Medium)

Three trick-or-treaters knock at your door. You give the first one half of the sweets in your bowl, plus one more. You give the second half of what's left, plus one more. You give the third half of what's left, plus one more, and now the bowl is empty. How many sweets did you start with?

5. The heavy pumpkin (Medium)

A prize pumpkin weighs 4 kilos plus half its own weight. How much does the pumpkin weigh?

6. The attic count (Medium)

Up in a spooky attic there are only spiders and bats. Between them they have 11 heads and 58 legs. How many spiders are there, and how many bats?

7. The extra hour (Tricky)

A Halloween party in New York starts at 10pm on Saturday 31 October 2026 and ends when the clock says 3am. How many hours does the party really last?

If you get stuck on 4, try working backwards from the empty bowl. Number teasers like these often come apart easily when you start from the end instead of the beginning.

Logic teasers for older kids and grown-ups

8. The three costumes (Medium)

Ana, Ben and Cleo are going trick-or-treating dressed as a witch, a ghost and a pumpkin, one costume each. Who is wearing which?

• The witch and Cleo live on the same street.
• Ana's costume doesn't come with a pointy hat.
• Cleo's costume is bright orange.

9. The two doors (Tricky)

At the end of a haunted house there are two doors. One leads to a table of treats, the other to a room full of fake spiders. A guard stands at each door. One guard always tells the truth and the other always lies, but you don't know which is which. You may ask one guard one question. What do you ask, so that you're sure to find the treats?

If this one feels familiar, it's a Halloween version of a very old logic puzzle about two guards. Knowing the story doesn't always mean remembering the trick. For more puzzles in this spirit, our guide to logic puzzles for a calm break has nine kinds to try.

The pumpkin patch line puzzle

The last teaser is a board to draw on. Think of it as a pumpkin patch, where each pair of matching numbers needs a vine to join them.

• Join each pair of matching numbers with one line.
• Each line covers exactly as many squares as its number, counting both ends.
• Lines go up, down, left and right, never diagonally, and never cross or share a square.
• When you're done, every square is used exactly once.

A gentle clue if you need one: look at the two orange 4s. They sit right next to each other, but their line has to cover four squares, so it can't simply join them. It has to take a small loop, and there's only one place that loop fits.

This board follows the rules of Linelet, the daily line puzzle we make, which has two fresh boards every day with no ads or lives. You can play today's free board in your browser, and our guide on how to solve number line puzzles has eight tips that work on this one too.

How to host a Halloween brain teaser night

Brain teasers make a lovely low-key party game, especially when some guests would rather not dance or dress up. A few things keep it fun.

• Play in small teams. Mixing ages works well. Children often spot the riddle answers first, and grown-ups enjoy the number teasers.
• Read one teaser at a time. Give each team a minute or two, then reveal the answer before moving on.
• Reward the best wrong answer. A funny, well-argued wrong answer deserves a sweet of its own.
• Save the line puzzle for last. Print one copy per team and let them work on it while the food comes out.
• Stop while it's still fun. Ten teasers is plenty for one evening.

Playing with grandparents too? Our guide to brain teasers for older adults has ideas for making puzzles easy to see and pleasant to share across generations.

Make up your own Halloween brain teaser

Once you've tried a few, you'll notice most brain teasers are old shapes wearing new costumes. That makes them easy to write yourself.

1. Pick a classic shape: a riddle that describes something in a sneaky way, a "half of it plus one" number puzzle, or a who-wore-what logic grid.
2. Swap in October things: pumpkins, bats, black cats, lanterns, costumes, a bowl of sweets.
3. Solve it yourself before you share it, and check there's only one answer. A teaser with two right answers feels unfair, which is exactly why puzzles with one solution feel fair.
4. Test it on one friend, and keep a small hint ready.

Children are brilliant at this. Ask them to write a riddle about their own costume, then let the rest of the family guess.

Answers to the Halloween brain teasers

No peeking unless you've had a proper go.

1. The glowing face: a jack-o'-lantern.
2. The foggy lane: footsteps.
3. The dark hallway: the match. Nothing else lights without it.
4. The sweet bowl: 14 sweets. The first child gets 8, leaving 6. The second gets 4, leaving 2. The third gets 2, and the bowl is empty.
5. The heavy pumpkin: 8 kilos. If 4 kilos is the other half of its weight, the whole pumpkin is twice that.
6. The attic count: 6 spiders and 5 bats. Six spiders have 48 legs and five bats have 10, which makes 58.
7. The extra hour: 6 hours. The clocks go back from 2am to 1am that night in the US, so the hour between 1am and 2am happens twice. In the UK the clocks changed on 25 October, so a party there that night would last the usual 5 hours, and in Jamaica, where the clocks never change, it's 5 hours too.
8. The three costumes: Ben is the witch, Cleo is the pumpkin and Ana is the ghost. Cleo can't be the witch, because the witch lives on her street, and Ana can't be the witch, because the witch's costume is the one with the pointy hat. That leaves Ben. Cleo's orange costume is the pumpkin, so Ana is the ghost.
9. The two doors: ask either guard, "Which door would the other guard say leads to the treats?" Then open the other door. The truthful guard honestly reports the liar's wrong answer, and the liar lies about the truthful guard's right answer, so both point you to the spiders.
10. The pumpkin patch: the solved board is below.

Halloween teaser questions

What are some easy Halloween brain teasers for kids?

Riddles with a picture in them work best, like the jack-o'-lantern riddle or the one about footsteps in the fog. Read them aloud, give a clue if the room goes quiet, and let children explain how they worked it out.

How do you play brain teasers at a Halloween party?

Split into small teams, read one teaser at a time and give each team a minute to agree an answer. Score a point for each right answer and a bonus for the best wrong one. Mix easy and tricky teasers so everyone gets a win.

What is the hardest teaser in this set?

Most people find the two doors puzzle, number 9, the trickiest, because you only get one question. The pumpkin patch line puzzle takes longest, but it gives way steadily if you start with the lines that have the fewest choices.

Do the clocks go back on Halloween night in 2026?

In the US and most of Canada, yes. Clocks go back an hour at 2am on Sunday 1 November 2026, just after Halloween night. The UK and much of Europe changed a week earlier, on 25 October, and Jamaica doesn't change its clocks at all.

Can I print these brain teasers for a class or a party?

Yes, you're welcome to print this page for home, a classroom or a party. The answers are all at the end, so you can fold the last page under or cut it off before you hand the sheets out.