| 2018-11-14 17:59:11 | ltk_tscc | Set author to '505 / Checkpoint ^ Paradox', release date to 24 May 2007 |
| 2014-05-06 11:30:44 | ltk_tscc | Added tag 'sndh' |
| 2014-05-06 11:30:42 | ltk_tscc | Added link http://sndh.atari.org/sndh/sndh_lf/505/Jumper.sndh |
| 2014-05-06 11:30:33 | ltk_tscc | Set release date to May 2007, platform to Atari ST/E |