| Clue | Source | Date |
|---|---|---|
| Bonus on an arcade game | ||
| Unstructured recreation | The Washington Post | 17 Jul 2019 |
| Unstructured recreation | LA Times Daily | 17 Jul 2019 |
| Unstructured recreation | ||
| Unstructured recess, e.g | USA Today | 07 May 2018 |
| Unstructured recess, e.g. | ||
| A good thing for the imagination. |