| 2025-10-04 08:32:59 | ps1ch | Added tag 'screenshots-needed' |
| 2025-10-04 08:32:48 | ps1ch | Set title to 'Downtown Nekketsu Monogatari SP (JAP) +9', release date to 8 December 2017 |
| 2025-10-04 08:32:05 | ps1ch | Added info file |
| 2025-10-04 08:31:39 | ps1ch | Edited notes |
| 2025-10-04 08:31:19 | ps1ch | Added link https://dats.site/_rls_3ds_infolist.php?showmaster=rls_3ds&fk_game_id=2530 |
| 2025-10-04 08:30:44 | ps1ch | Added credit for Riley on Downtown Nekketsu Monogatari SP JPN +9: Code |
| 2025-10-04 08:30:36 | ps1ch | Added credit for Poyz on Downtown Nekketsu Monogatari SP JPN +9: Graphics (ascii logo) |
| 2025-10-04 08:30:27 | ps1ch | Added credit for Mem O' Ree on Downtown Nekketsu Monogatari SP JPN +9: Music |
| 2025-10-04 08:30:17 | ps1ch | Added credit for Crossfade on Downtown Nekketsu Monogatari SP JPN +9: Graphics (logo) |
| 2025-10-04 08:29:58 | ps1ch | Edited soundtrack details for Downtown Nekketsu Monogatari SP JPN +9 |
| 2025-09-29 01:45:48 | dipswitch | Added tag 'trainer' |
| 2025-09-29 01:45:43 | dipswitch | Set title to 'Downtown Nekketsu Monogatari SP JPN +9' |
| 2024-02-27 09:59:13 | psenough | Added link https://www.pouet.net/prod.php?which=96275 |
| 2023-04-15 06:13:37 | menace | Added production 'Downtown Nekketsu Monogatari SP JPN Plus9 Trainer' |