| Clue | Source | Date |
|---|---|---|
| 360 degrees at a theme park: var. | ||
| 360 on a roller coaster | Universal | 18 Jun 2025 |
| Gravity-defying part of a roller coaster | Universal | 22 Oct 2023 |
| 1963 Johnny Thunder hit | LA Times Daily | 31 Oct 2020 |
| 1963 Johnny Thunder hit | The Washington Post | 31 Oct 2020 |
| Gravity-defying roller coaster feature | Wall Street Journal | 09 Dec 2019 |