Daily Logic Grid Puzzle

One shared logic grid for the day

This mode chooses its puzzle from the verified deduction library using the calendar date and the selected difficulty. That means opening the same daily link again on the same date returns the same grid instead of quietly generating a different challenge. It is useful when two people want to compare how they approached the same clue set, or when you want a small repeatable logic habit without changing the six-game Daily Score routine.

The Daily Logic Grid is deliberately separate from Today's 6. The platform's regular Logic slot continues to use sequence and pattern questions when Logic appears in the rotating daily lineup. This page is an additional Practice ritual: completing it is saved in Practice history, but it does not alter the Daily 6,000-point total or change which six games were scheduled.

What makes the puzzle verified

Every source grid in the current 160-puzzle library is checked against all possible assignments for its size. A 3×3 puzzle tests every combination of the two matching categories, while a 4×4 Expert puzzle has a much larger assignment space. A puzzle enters the bank only when the clue set leaves exactly one complete solution and that solution matches the stored answer.

• Easy, Standard and Hard use 3×3 matching grids.
• Expert uses a true 4×4 grid with four people and two four-item categories.
• Each difficulty currently has 40 verified source structures; ordinary non-Daily Practice can relabel them into deterministic story variants.
• Hints fill one correct match and transparently reduce the final score.

Use the grid as a reasoning workspace

Each cell cycles from blank to × to ✓. Confirming a ✓ automatically rules out the other cells in that row and column, which removes repetitive bookkeeping without solving the clue for you. Undo and Reset let you recover from a mistaken mark. You can also tap a clue after using it; the clue becomes visually muted so longer puzzles are easier to track without losing the original text.

The Check button does not accept an incomplete board. Once every person has one confirmed match in both categories, it checks the full assignment. An incorrect check tells you how many assignments are right without revealing the solution, while a Hint is an explicit stronger assist with a score cost.

Choose a difficulty

Mixed Daily Grid can draw from the full library. The difficulty pages narrow the same engine to one verified pool, so you can build up from direct-clue Easy grids to 4×4 Expert sets with more indirect and negative constraints. Because the date is part of the selection seed, each difficulty also has its own stable puzzle for that day.

Keep going

When you finish, move to another verified difficulty, try the daily grid, print a fresh puzzle, or switch to Sudoku and pattern practice from the broader Logic & Sudoku hub. The goal is a useful path through real playable modes, not a collection of disconnected landing pages.