12 Mind-Blowing Facts You Didn't Know About Metal Gear Solid
8. Kojima And The Creators Used Lego To Design Levels
The jump from 2D to 3D rendering technology remains the biggest in the history of game design.
As such, before Konami and Kojima's team were comfortable with how to design things in three dimensions, they'd use actual Lego parts to visualise paths through levels and the size of structures.
You can actually see Kojima himself still doing this to plan his camera angles in the Document of Metal Gear Solid 2 bonus release.