All games

Dozens of exercises to sharpen your reasoning. Pick a game below to get started.

Logical Series

Spot the hidden rule in a sequence and predict what comes next.

Watch the hands move through a sequence of clocks and pick the next one.

Spot the pattern in a sequence of numbers and guess what comes next.

Find the pattern and fill in the number missing from the middle.

One number breaks the hidden rule — spot it.

Find the rule that governs the rows and columns of a grid.

Find the missing number in a 3×3 matrix where rows and columns follow hidden rules.

Find the missing number in a 4×4 matrix where rows and columns follow hidden rules.

Find the missing number in a 5×5 matrix where rows and columns follow hidden rules.

Visualize, rotate, and manipulate shapes in your head.

Memorize a starting point, follow a sequence of directional arrows, and find where you end up on the grid.

Pick the shape that's the same figure as the reference, just rotated.

Figure out which shape can be assembled from the 2-4 rotated pieces shown.

Study a 3D cube and pick the 2D net that folds into that exact cube.

Hold and manipulate information under time pressure.

Memorize a series of digits, then enter them back as seen, reversed, or sorted.