Deviant Spotting5.5 min timed session
Category Tables
Scan across 8–24 repeating table-tiles to spot the single tile with a subtle mutation.
Launch Category Tables simulatorAdaptive staircase calibration
Difficulty scales dynamically from Level 1 to 25 based on response precision and speed. Correct answers advance difficulty (+1 level); mistakes drop difficulty (-1 level) to measure your cognitive ceiling.
Benchmark accuracy
Complete at least 6 questions in a full timed session with ≥75% accuracy to unlock higher difficulty baselines and persist high-water marks.
Assessment rules and guidelines
- 1A collection of matching small table-tiles is displayed.
- 2Almost all tiles share an identical grid configuration.
- 3Exactly ONE tile has been subtly mutated (swapped cells, reversed row, or changed value).
- 4Click the deviant tile as fast as possible to advance the staircase.
Strategy and pacing
- Scan a specific landmark cell (e.g., top-left or center) across all tiles first.
- Higher levels have subtle single-digit mutations (like 6 changed to 8).