| Half-Life 1 Movement | 37:14 (JeepyGMI) | 177 hours | 64/800 (8.00%) | 72 |
| Cutsceneless (Fun%) | 35:52 (LyrenMeow) | 121 hours | 59/2115 (2.79%) | 330 |
| Cutsceneless | 37:01 (ForeverDirtch) | 80h 18m | 40/1211 (3.30%) | 2 |
| Cutsceneless (Fun% old splits) | 49:48 (LyrenMeow) | 62h 41m | 22/857 (2.57%) | 1 |
| Backwards (Fun%) | 35:36 (LyrenMeow) | 37h 56m | 19/933 (2.04%) | 1 |
| Glitchless | 2:10:11 (LyrenMeow) | 27h 25m | 4/44 (9.09%) | 15 |
| Single Segment | 1:29:54 (LyrenMeow) | 24h 53m | 1/92 (1.09%) | 1 |
| Cutsceneless (HL1 Movement Fun%) | 53:06 (LyrenMeow) | 19h 23m | 11/171 (6.43%) | 1 |
| 100%/All Achievements | 1:40:03 (LyrenMeow) | 16h 46m | 5/97 (5.15%) | 23 |
| Jumpless | 2:14:15 (LyrenMeow) | 7:31:42 | 3/3 (100.00%) | 1 |
| Cutsceneless (Legacy Any%) | 47:58 (LyrenMeow) | 6:16:46 | 3/60 (5.00%) | 1 |
| No Major Glitches (Any% Cutsceneless) | 1:04:20 (LyrenMeow) | 4:50:01 | 2/23 (8.70%) | 1 |
| HL1 Movement Fun% | 52:45 (L0KKI22) | 3:07:28 | 1/6 (16.67%) | 7 |
| No Major Glitches | 2:27:36 (LyrenMeow) | 2:34:13 | 1/1 (100.00%) | 8 |
| Route Kanal (Jumpless) | 09:27 (LyrenMeow) | 1:09:32 | 2/19 (10.53%) | 1 |
| Route Kanal (Glitchless) | 06:44 (LyrenMeow) | 1:03:21 | 5/37 (13.51%) | 33 |
| Water Hazard (Jumpless) | 13:26 (LyrenMeow) | 46:41 | 3/8 (37.50%) | 1 |
| Point Insertion (Glitchless) | 05:23 (LyrenMeow) | 46:35 | 5/12 (41.67%) | 1 |
| Black Mesa East (Jumpless) | 12:26 (LyrenMeow) | 39:42 | 3/7 (42.86%) | 1 |
| Red Letter Day (Glitchless) | 08:15 (LyrenMeow) | 37:27 | 2/5 (40.00%) | 1 |
| "Follow Freeman" (Glitchless) | 08:41 (LyrenMeow) | 35:56 | 1/12 (8.33%) | 12 |
| Highway 17 (Jumpless) | 06:48 (LyrenMeow) | 28:00 | 2/6 (33.33%) | 1 |
| Anticitizen One (Glitchless) | 08:54 (LyrenMeow) | 27:06 | 1/11 (9.09%) | 11 |
| "We Don't Go To Ravenhom..." (Glitchless) | 06:10 (LyrenMeow) | 25:42 | 2/19 (10.53%) | 19 |
| Anticitizen One (Jumpless) | 12:55 (LyrenMeow) | 23:55 | 1/4 (25.00%) | 1 |
| Entanglement (Glitchless) | 22:24 (LyrenMeow) | 22:31 | 1/1 (100.00%) | 1 |
| Entanglement (Jumpless) | 19:52 (LyrenMeow) | 21:32 | 1/3 (33.33%) | 1 |
| Highway 17 (Glitchless) | 06:59 (LyrenMeow) | 20:04 | 2/13 (15.38%) | 13 |
| Water Hazard (Glitchless) | 13:08 (LyrenMeow) | 18:05 | 1/7 (14.29%) | 1 |
| Our Benefactors (Glitchless) | 07:21 (LyrenMeow) | 17:43 | 2/9 (22.22%) | 1 |
| Sandtraps (Glitchless) | 08:35 (LyrenMeow) | 14:26 | 1/3 (33.33%) | 3 |
| Nova Prospekt (Glitchless) | 02:47 (LyrenMeow) | 12:51 | 2/13 (15.38%) | 13 |
| Black Mesa East (Glitchless) | 12:34 (LyrenMeow) | 12:51 | 1/2 (50.00%) | 2 |
| Point Insertion (Jumpless) | 06:38 (LyrenMeow) | 12:19 | 1/3 (33.33%) | 1 |
| Sandtraps (Jumpless) | 10:29 (LyrenMeow) | 10:52 | 1/1 (100.00%) | 1 |
| Our Benefactors (Jumpless) | 09:26 (LyrenMeow) | 09:51 | 1/2 (50.00%) | 1 |
| "Follow Freeman" (Jumpless) | 08:29 (LyrenMeow) | 09:28 | 1/2 (50.00%) | 1 |
| "We Don't Go To Ravenhom..." (Jumpless) | 08:59 (LyrenMeow) | 09:21 | 1/1 (100.00%) | 1 |
| Red Letter Day (Jumpless) | 08:49 (LyrenMeow) | 08:53 | 1/1 (100.00%) | 1 |
| Dark Energy (Glitchless) | 08:16 (LyrenMeow) | 08:17 | 1/1 (100.00%) | 1 |
| Nova Prospekt (Jumpless) | 04:17 (LyrenMeow) | 07:30 | 1/6 (16.67%) | 1 |