| 2024-05-10 13:33:27 | Unlock | Edited notes |
| 2024-05-10 13:29:55 | Unlock | Added Zardos as a member of ACT 501 |
| 2024-05-10 13:29:00 | Unlock | Added Nightshadow as a member of ACT 501 |
| 2024-05-10 13:27:54 | Unlock | Added Sexton as a member of ACT 501 |
| 2024-05-10 13:26:59 | Unlock | Added Matt as a member of ACT 501 |
| 2024-05-10 13:24:30 | Unlock | Added LSD as a member of ACT 501 |
| 2024-05-10 13:20:50 | Unlock | Added Rolex as a subgroup of ACT 501 |
| 2024-05-10 13:17:27 | Unlock | Added Java as a member of ACT 501 |
| 2024-05-10 13:16:05 | Unlock | Added IQ as a member of ACT 501 |
| 2024-05-10 13:15:41 | Unlock | Added Einstein as a member of ACT 501 |
| 2024-05-10 13:10:36 | Unlock | Added Raster Buster as a member of ACT 501 |
| 2024-05-10 13:07:50 | Unlock | Added Deathangle as a member of ACT 501 |
| 2024-05-10 13:00:00 | Unlock | Added CCR as a member of ACT 501 |
| 2024-05-10 12:50:02 | Unlock | Added Boy Tronic as a member of ACT 501 |
| 2024-05-10 12:48:11 | Unlock | Added Arne as a member of ACT 501 |
| 2021-08-20 21:57:24 | menace | Added Clive as a member of ACT 501 |
| 2019-09-16 15:05:28 | ltk_tscc | Added links: https://www.pouet.net/groups.php?which=8618, http://csdb.dk/group/?id=1626 |
| 2019-09-16 15:05:15 | ltk_tscc | Added group 'ACT 501' |