Sixteen piece Jigsaw - How difficult is a jigsaw puzzle without picture?

Oskar's CVT (Continuous Variable Transmission) - Does this kinetic art have any useful application?

Phinary Drawers - Why does the golden ratio show up here?

Fibonary - In what other puzzles does the Fibonacci sequence appear?

Iwahnary - Why are both puzzle phinary, but one takes many more moves to solve?

Phinary Trees - Did phinary puzzles already exist before 2024?

Zigguphi - What other Ziggu* puzzle can we design with a non-integer exponential base factor?

Candle Swap - How about solving with burning candles?

Twisted Cable - Is this an improvement of the original symmetrical design?

Screw Burr Too - What other puzzles need square screws?

Noisy Cube - How can we make a cube even more noisy?

Nested Soma - Does this count as a Soma puzzle?

Soma Flex - What other puzzles need flexible 3D-print material?

Deposited Soma - Does this count as a Soma puzzle?

Chopped Soma - What other way could you chop up Soma pieces?

Tower of Soma - How to better represent the intended goal?

Soma di Cabrio - How does Volker Latussek come up with these puzzles?

Zigzaggu Drawers - What would be a better maze for this puzzle?

Opaque Soma - Does this make the puzzle harder or easier?

Geared Iris - How to solve a puzzle like this?

Ternary Key - How can this be a puzzle, as there are no wrong ways?

Unhinged Cube - Why does this chained loop not have a twist?

Unhinged Square - Why is this puzzle easy to solve?

OOC - What other fun puzzle can you make with flexible plastic?

Floppy Burr - How can a burr with six identical pieces still come apart?

Chained Sliders - Can one swap two adjacent squares?

Cone Four - Does a conical puzzle ring make any sense?

Dominumbers Too - Is this finally a well-working prototype?

OC Burr Too - What material should this puzzle be made of?

OC Burr - What other burrs with longitudinal overlap do you know?

Cross Fold - Who can remove the design flaw?

Serendipitous Diskovery - How do you like Mike Wood's serendipity?

Inward Ring - How can this ring be compressible?

Rainbow Iris - Does it have any practical application?

Cabrio - How to get Volker Latussek's top off? (Spoiler Alert!)

Ziggustretch - What would make a nice theme for this stretch puzzle?

Tandem Maze Too - How many traffic features are there in this maze?

Tandem Maze - How much harder because of the second ball?

Squarely Nuts - How can a square nut fit around a square screw?

Screw Cage Too - How do you like the new looks and play?

Ziggutrees - Is solving this an uphill battle?

Ziggutwist Too - Why don't those disk just come out?

Ziggutwist - How can this puzzle be made more meaningful?

Zigguhooked - How addictive is this puzzle?

Zigguchain - Is this the world's most simplistic binary puzzle?

Dominumbers - How can you count with magnetic e-ink?

Pentomiyes - Can you turn this no into a yes?

E-Ink Puzzle - How to develop more challenges for this puzzle?

Cave Man Puzzle - How to get the caveman out of his mancave?

Oskar's Two Piece Packing - What is the maximum number of moves with a 4x4x4 cube?

NEWS Gears - What is NEWSworthy about these gears?

Galactic Gears - Is the red gear exactly elliptic, or does it only look that way?

Marbler - How to turn Yosuke Ikeda's Algoloop into a puzzle?

Diskussion - What makes the little disks automatically move from one dial to the next?

Heart too Heart - Is it too cute?

PRBS Generator - What are Pseudo-Random Binary Sequences used for?

Triquadsplosion - Can you make any infinite triangle-square pattern with these tiles?

Nobbz - Would this make a good 60-challenges puzzle?

A Gearus Line - Can you make this line of gears spin in sync?

Gear Fit - How would you approach solving this puzzle?