Segmented 100% speedrun of StarCraft II: Heart of the Swarm on Brutal difficulty, completing all 27 missions and all primary and secondary mission objectives (Achievements aren't required for 100%).
Individual mission playlist:    • StarCraft 2 Heart of the Swarm 100% S...  

StarCraft II: Heart of the Swarm is a 2013 science fiction real-time strategy video game by Blizzard Entertainment. It is the first expansion pack released for StarCraft II, following Wings of Liberty and being followed by the Legacy of the Void expansion. It follows the story of Sarah Kerrigan, Queen of Blades and leader of the Zerg swarm, as she reunites with her swarm in her quest to find Jim Raynor and take revenge on her nemesis, Arcturus Mengsk.

Timestamps:
0:00 Lab Rat
5:05 Back in the Saddle
13:15 Rendezvous
20:35 Harvest of Screams
23:57 Shoot the Messenger
31:34 Zergling Evolution
33:46 Enemy Within
39:48 Roach Evolution
42:55 Waking the Ancient
48:15 The Crucible
54:50 Supreme
1:01:52 Hydralisk Evolution
1:05:26 Domination
1:07:44 Fire in the Sky
1:11:16 Old Soldiers
1:16:35 Baneling Evolution
1:18:57 Infested
1:23:08 Hand of Darkness
1:25:27 Mutalisk Evolution
1:28:22 Phantoms of the Void
1:35:43 With Friends Like These...
1:40:44 Conviction
1:44:24 Swarm Host Evolution
1:47:33 Planetfall
1:53:19 Ultralisk Evolution
1:56:13 Death From Above
1:58:24 The Reckoning