ProtoSans25 by Roman Gornitsky is a free modular techno display font built from blunt, rectilinear strokes. Its squared forms and open joins make the lettering resemble components snapped into a simple grid. Broad proportions and near-uniform line weight give it a stark, engineered profile.
The geometric forms echo circuit diagrams and block-based illustration, suiting game graphics and technology branding. It can also suit electronic music posters and science-fiction packaging, where the broken connections suggest a functional display assembled from separate parts. Game interfaces are its most convincing setting.