| Clue | Source | Date |
|---|---|---|
| "It's ___ guess" ("Who knows") | ||
| Up for grabs | USA Today | 21 Mar 2019 |
| Up for grabs | ||
| 'It's ___ game!' | The Washington Post Sunday | 30 Sep 2018 |
| Lead-in to guess or game | New York Times | 04 Jun 2017 |
| Lead-in to guess or game | ||
| "It's still __ game" | LA Times Daily | 20 Jul 2015 |
| "It's still __ game" | ||
| ___ guess (totally unknown) | ||
| "It's __ guess" | ||
| "It's __ guess" | ||
| ___ guess (unknowable) | ||
| "It's __ guess!" | ||
| Up for grabs | ||
| __ guess | ||
| Up for grabs | ||
| Belonging to no one in particular. |