Puzzle catalog

All 617 Puzzles

Browse every riddle, brain teaser, and logic lab entry in one place with quick hints in each card.

Mini Sudoku

Brain teasers · A 4×4 grid needing every digit once per row and column.

Hint: Once you know the first row, each column only lacks one digit—fill them in one column at a time.

Kakurasu Grid

Brain teasers · Light cells to hit every row and column sum.

Hint: Rows with totals 6 or 5 must include the right-hand columns, while the 3 total is achieved with the left two columns.

Puzzle Party

Logic lab · Three friends each tackle a different puzzle.

Hint: Only one puzzle remains for each friend once you place Mia and apply the remaining constraints.

Story Trail

Logic lab · Follow the clues from paragraph to paragraph.

Hint: One statement is true so deduce order preference.

Symbol Pattern

Brain teasers · Shapes swap positions to keep balance.

Hint: Use elimination: each cell must hold a unique symbol per row/column.

Word Ladder

Riddle lounge · Climb from one word to another, one letter at a time.

Hint: Move toward the target by swapping letters that bring you closer to 'WARM'.

Mirror Keepers

Logic lab · Truth and lies both point you toward safety.

Hint: Let the liar and the truth-teller describe each other.

Hourglass Pulse

Brain teasers · Sand keeps time better than a watch when thought through.

Hint: Watch the moments when each glass finishes and reset carefully.

Weight Balance

Logic lab · Find the odd coin with just two weighings.

Hint: Divide and conquer in threes.

Desert Map

Riddle lounge · It has towns but no houses, rivers but no water, yet it guides travelers everywhere.

Hint: Fold me, trace routes, and every legend still holds true.

Lighthouse Signal

Brain teasers · Light tells stories to sailors if you count the pauses.

Hint: Treat the long flash as dash and each short flash as dot, then match Morse letters before the pause.

Echo Canyon

Riddle lounge · The answer arrives back twice as loud as it began.

Hint: The second voice is a true echo; the third voice must be something else repeating that echo.

Train Signal

Brain teasers · Speeds and distances answer the question without a single number.

Hint: Use ratios of speeds and the remaining gap at the moment the second train starts.

Secret Path

Logic lab · Only the least traveled way keeps you safe.

Hint: Balance the importance of safety and time using the clues provided.

Color Sequence

Brain teasers · Spot the rule guiding every new shade.

Hint: Divide the position by the cycle length.

Clock Hands

Logic lab · Align both hands with minimal adjustment.

Hint: The minute hand catches up to the hour hand every 65/11 minutes.

Letter Lock

Brain teasers · Letters hide the code to the next vault.

Hint: Index letters carefully; count from the start of each word.

Forest Echo

Riddle lounge · Answer returns exactly once after you speak.

Hint: The echo repeats what was asked of it, even if you weren't paying attention the first time.

Midnight Ferry

Riddle lounge · The ferry only crosses when all travelers balance.

Hint: Send the two fastest back-and-forth with the lantern twice.

Staircase Logic

Logic lab · Each guard leaving a staircase gives a clue about who walks beside them.

Hint: Test who must be lying to satisfy each claim.

River Crossing

Brain teasers · Missionaries must keep pace with the cannibals.

Hint: Start by moving two cannibals, then ferry missionaries while keeping the boat balanced.

Riddle Run 016

Riddle lounge · Quick math #016

Hint: Multiply before you subtract.

Teaser Track 017

Brain teasers · Sequence study #017

Hint: Each term rises by 6.

Logic Line 018

Logic lab · Digit drift #018

Hint: Break the number into digits and add them.

Riddle Run 019

Riddle lounge · Quick math #019

Hint: Multiply before you subtract.

Teaser Track 020

Brain teasers · Sequence study #020

Hint: Each term rises by 3.

Logic Line 021

Logic lab · Digit drift #021

Hint: Break the number into digits and add them.

Riddle Run 022

Riddle lounge · Quick math #022

Hint: Multiply before you subtract.

Teaser Track 023

Brain teasers · Sequence study #023

Hint: Each term rises by 6.

Logic Line 024

Logic lab · Digit drift #024

Hint: Break the number into digits and add them.

Riddle Run 025

Riddle lounge · Quick math #025

Hint: Multiply before you subtract.

Teaser Track 026

Brain teasers · Sequence study #026

Hint: Each term rises by 3.

Logic Line 027

Logic lab · Digit drift #027

Hint: Break the number into digits and add them.

Riddle Run 028

Riddle lounge · Quick math #028

Hint: Multiply before you subtract.

Teaser Track 029

Brain teasers · Sequence study #029

Hint: Each term rises by 6.

Logic Line 030

Logic lab · Digit drift #030

Hint: Break the number into digits and add them.

Riddle Run 031

Riddle lounge · Quick math #031

Hint: Multiply before you subtract.

Teaser Track 032

Brain teasers · Sequence study #032

Hint: Each term rises by 3.

Logic Line 033

Logic lab · Digit drift #033

Hint: Break the number into digits and add them.

Riddle Run 034

Riddle lounge · Quick math #034

Hint: Multiply before you subtract.