18 games like SumGrids

A puzzle game turning logic into visual mechanics: find the right combinations to light up shapes. Contours represent connectives, and light means truth. Solving a puzzle is secretly proving a theorem, unlocking the proven logical formula as a badge. Enjoy random or daily challenges.

Meowdoku is a relaxing logic puzzle combining Sudoku rules and Queens mechanics. Place cats into colored regions so no two cats share a row, column, or touch diagonally. 100% pure deduction with zero math or guessing. Free, unblocked, and ad-free browser play!

It's a collection of 6 small games that test players' intuition, spanning topics like basic physics, geometry, and time. Head over to the site and challenge your friends to see who's better in the battle of perceptions.

A daily wedding seating puzzle. Fix the drama before the wedding starts.

Daily image generation puzzle: guess the 5 words used to produce an image in fewer guesses than the AI (currently GPT-5). Share with your friends, make the leaderboard, and play up to 400+ prior puzzles!

One roll a day. Badges go to numbers with interesting properties, and everyone compares results.

Divide the grid into rectangles, each containing one number that matches the rectangle's area.

Make educated numerical guesses to Fermi-style estimation questions and see how close your answer is.

Use the clues to figure out which characters are innocent and which are criminals.

Seedle.io is a crop farming puzzle game. Place your crops in the most optimal way to gain the highest possible score!

Draw electoral districts to win more seats than your opponent in this daily gerrymandering puzzle.

The 5x5 grid follows rules that change from one day to the next.

A classic logic puzzle game where you must light up the grid.

Four guesses to name the angle on screen, with the feedback warming up as you close in.

Place suspects and evidence into rooms until only one arrangement of the case still fits.

Generate and edit six-digit RNGdle rolls to discover number patterns, badge matches, rarity tiers and EP scores.

Deduce the daily five-dot unlock pattern in six tries using Wordle-style color feedback.

Place number tiles so every equation is true. A clean, daily math crossword with four difficulty levels.