BATCAVE
| Date | Clue |
|---|---|
| 2020-03-10 | Lower part of Wayne Manor |
| 2019-12-26 | Secret headquarters for Bruce Wayne |
| 2018-10-24 | Secret DC headquarters |
| 2017-12-08 | Subterranean hideout in comics |
| 2017-06-23 | Part of Wayne Manor |
| 2016-12-23 | Robin's refuge |
| 2008-12-04 | It lies beneath Wayne Manor |
| 2007-03-30 | Robin's place |