Grumpy Old Geeks Topics VRML Topic VRML 3 mentions in 1 episode A virtual reality markup language recalled during a discussion of older interactive walkthroughs. Mentions 507: DoppelBittner May 19, 2021 42:15 It's VRML. 42:31 Virtual Reality Markup Language. 43:06 VRML was a walkthrough of another ship, which was the Enterprise.