18 games like Modus Ponens

Train Tracks is a logic puzzle game about building complete railway routes on a grid. Place each track piece correctly, connect all stations, and use deduction to avoid dead ends and invalid turns. Each puzzle challenges you to uncover the single working track layout.

Cross math is a math logic puzzle inspired by sudoku, play by filling the crossword-shaped grid of arithmetic equations so every row and column works out correctly, using addition, subtraction, multiplication, and division together.

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

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!

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

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.

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

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

3D Sudoku on a cube using the numbers 1 to 16.

LogiCue is a daily deduction game about discovering the secret rule inside a mysterious number machine. Players can run up to eight experiments, study the machine’s outputs, and then prove their theory by predicting three unseen results.

CodeDoku is a free daily browser puzzle. Deduce which item belongs in each cell of a 3×3 grid using intersecting row and column hints. One shared puzzle per day for all players, new theme every day, ~3 minutes, no account needed. Also play extra practice boards anytime.

Daily ice-sliding logic puzzle where you glide a penguin across the board to collect every fish in as few slides as possible.

One mystery angle, six tries, with a temperature hint and higher or lower.

Daily balance-scale logic puzzle where you weigh crates and deduce their order from lightest to heaviest in as few weighings as possible.