Game 05 · alternating match and 180° switch rules
Pattern Switch
Read the current rule, then choose the matching tile or its opposite across the center of a 3×3 grid.
Rule-switching practice
Use the rule shown with the cue: match its position or select its 180° opposite.
Press Start to see the first rule and cue.
Each run has ten untimed choices: Match, then Switch, alternating for five rounds of each. Switch means the tile rotated 180° through the grid’s center. Click, tap, or press 1–9.
About these games
Pattern Switch
Pattern Switch presents a highlighted cell and a rule. Choose the same cell for Match, or the cell opposite after a 180-degree turn for Switch. The ten choices are untimed.
How to play Pattern Switch
- Read the rule and locate the highlighted cue in the three-by-three grid.
- For Match, select the same position. For Switch, imagine rotating the grid by 180 degrees around its center and select the resulting position. The center cell maps to itself.
- The rules alternate, starting with Match: five Match choices and five Switch choices. Choose by clicking, tapping, or pressing 1 through 9.
Scoring and storage
Your score is the number of correct choices out of ten. Each answer is untimed. The score and personal best are stored only in this browser; there is no account sync or public ranking.
Limitations
This is a short rule-following browser game, not a standardized assessment or measure of general ability. Display size, visual perception, browser rendering, distractions, and input method can affect a session.