This walkthrough does not cover:
-Intro Fight Skip
-Bell Tower Skip
-Church Skip, and all the route changes that come with that
-Jammer 1->2 zip, and the harder/faster Jammer 2->3 zip
-Harder/faster version of Protocol 10 Skip
-Any other discoveries made since this was last updated

Timestamps:
3:39 - Start
11:35 - Dive Roll Cancels
14:12 - Courthouse Fight (Ground Takedown Cancels)
16:20 - Church Fight Skip
27:59 - REC Door Cancels
29:34 - REC Storage explanation
32:23 - Hammer Skip
40:13 - Corner Zips
48:04 - Batarang Storage / Storage Zips
52:07 - REC Jumps
54:40 - Zipping out of the subway
57:00 - Zipping out of the subway (alternative)
58:55 - Museum Fight Skip
1:00:17 - Dino Skip (easy two-zip method)
1:09:26 - Dino Skip (harder one-zip method)
1:12:25 - Gel Warp
1:26:13 - Zip to unlock tightrope upgrade
1:30:26 - Dead Parents Skip
1:35:42 - Partial Trials Skip
1:42:56 - Ra's Cutscene Skip
1:44:21 - Leaving Ra's (main zips + backups)
1:49:30 - Weird gel ceiling thing after Ra's
1:53:06 - Mr Freeze Fight
1:54:57 - Vicki Cutscene Skip
1:56:14 - Zip to Industrial + Steel Mill 2 Skip
2:03:54 - Funhouse Fight
2:07:39 - Protocol 10 Skip
2:19:12 - Phase Skip (Clayface)