HL21

Run Details

Completed in: 20:41
Runner: HL21 Team
Game: Half-Life 1
Difficulty: Hard
Type: Segmented
Scripted: Yes
SDA status: Not submittable (use of scripts)

Half-Life 21 minutes is a segmented, scripted speedrun of Half-Life 1 in the time of 20:41, done in 317 segments and finished in November 24, 2013. The speedrun has been done on an older version of the game, using Bunnymod Pro.

Origin

The speedrun was in a planning stage since 2010, with the estimated time of 27 minutes.
In summer 2012, the speedrun finally entered the running stage, with the estimated time of 24:14 minutes. During the progress, a lot of new improvements have been found as well, dropping the time down to 21 minutes.

Table with estimated times
Date	Estimated time
2010-07-18	27:00
2010-09-05	26:30
2010-09-12	26:00
2010-11-18	25:40
2010-12-08	25:32
2011-04-19	25:27
2011-04-28	24:35
2012-06-02	24:12
2013-01-02	22:00
2013-05-15	21:20
2013-07-09	21:13
2013-08-05	21:04
2013-08-25	20:57