Frontier Logic

Daily case

Dated cases

The reviewed Frontier Logic Daily corpus. Each dated case stays playable.

Start with a free Western logic-grid puzzle, then work through the dated cases. New to logic grids? The pencil-solving guide shows the marks and method. Free Western Logic Grid Puzzle · New to logic grids? Start with the pencil-solving guide.

Your marks, completions and streak are saved in this browser only. There is no account, and clearing your browser data clears that local progress. If you accept analytics, the site sends anonymous puzzle-usage events; it never sends your grid marks, clues or solution.

If you want a hundred more

Five volumes, printed and portable

Each Frontier Logic volume collects 100 western mystery logic-grid puzzles, every one with exactly one solution and a complete answer key. Every volume stands alone, in standard and large print.

Opens Amazon, who sell the books and set the final price.