Number Reflex

How to play

Seven challenge types in quick succession.

• Go/No-Go — does the number match the rule? Tap ✓ or ✗.
• Hunt — tap all numbers matching the rule.
• Odd One Out — all numbers match except one. Find it.
• Sum Check — is the equation correct?
• Change — memorize a grid, then spot the number that changed.
• Cascade — watch a starting number run through a chain of operations and pick the final result.
• Sequence Check — ascending, descending, or neither? Appears at lower levels.