Grades 4–8 · Ages 9–14
Number Grid
Find the missing value in a row or column pattern using the fewest hints.
Reason step by step
Use patterns, constraints, and elimination instead of guessing. These games reward a clear plan and make it easy to review why an answer worked.
Grades 4–8 · Ages 9–14
Find the missing value in a row or column pattern using the fewest hints.
Grades 4–8 · Ages 9–14
Switch every light on while each move changes a predictable group of neighbors.
Grades 4–8 · Ages 9–14
Compare candidate rules and identify the one that fits every number in a sequence.
Grades 4–8 · Ages 9–14
Find the value that breaks a stated mathematical rule and explain the evidence.
Grades 3–7 · Ages 8–13
Plan a path across a grid while obeying direction and obstacle constraints.
Games appear here only when their main repeated action matches the category. We test the playable route, controls, error feedback, restart behavior, and narrow-screen layout. A category label describes practice—not a promise of learning results.