Covering rectangles with hooks
Consider the following shape, which I call a hook: OO. O.O This is a four-cell polyplet, also known as a polyking or a pseudo-polyomino. Your job is to cover an N-by-M rectangle u...
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Consider the following shape, which I call a hook: OO. O.O This is a four-cell polyplet, also known as a polyking or a pseudo-polyomino. Your job is to cover an N-by-M rectangle u...
A boomerang is two unit segments joined at an angle of 120°. I am allowed to place them on a plane only in the following three orientations. I can join them together to form simpl...
Can you tile an infinite square grid with L-trominoes such that there’s exactly one uncovered cell, a.k.a. the hole, and this hole can be moved anywhere in the grid by moving only...
I’m sure people here are familiar with Magna-Tiles or their variants. Here’s a simple version of it that I made. It’s a unit square with four unit length magnets along the four sid...
Pieces: 24Author: molecubPlay
A convex subset of a triangular grid is the union of some triangles in the grid that together form a convex subset of the plane. When can you tile such a subset with lozenges (60°-...
I'm sharing another puzzle idea. It's played on a grid. The goal is to draw rectangles using lines that connect the centers of some cells following the following rules: Rectangles...
Looking for playtesters for Rectangl, a new abstract strategy game for 2-4 players. Players place L-shaped pieces. In order to win, they must cover a 2x5 rectangle or 3x3 square wi...
I've posted tetromino nurikabes* before. They were all solvable. But that was before I became a moderator (mwah hah hah). No longer am I bound by the shackles of making puzzles wit...
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