| 2021-09-07 09:45:49 | aGGreSSor | Set platform to ZX Spectrum |
| 2013-11-11 14:01:35 | menace | Added download link https://www.scene.org/file.php?file=/parties/2013/dihalt13/zx-gfx/hydrogen-the_harlequin.zip&fileinfo |
| 2013-11-11 14:01:32 | menace | Added download link https://www.scene.org/file.php?file=/parties/2013/dihalt13/zx-gfx/hydrogen-the_harlequin.png&fileinfo |
| 2013-09-03 19:24:46 | menace | Updated competition placing info for The Harlequin in DiHalt 2013 Combined OldSchool Graphics competition |
| 2013-09-03 19:24:01 | menace | Updated competition placing info for The Harlequin in DiHalt 2013 Combined OldSchool Graphics competition |
| 2013-09-03 19:23:14 | menace | Added competition placing for The Harlequin in DiHalt 2013 Combined OldSchool Graphics competition |