How were the portals in Portal created? | Bitwise
Why the open web links it
A programmer explains how the portals in Portal were likely created, with a technical demonstration.
Linked by 5 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including roblox.com, unrealengine.com, bram.us, aryan.app, mattfife.com.