I made a blocky, industrial sort of style, then added art deco-style line width variation. Then, a couple of tech lines here, a couple of details there, and SHAZAM! We get these 1950's-era raygun-toting space race zippity zap letters. It's a font Marvin the Martian might use...
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Original size: 7px (use multiples of this value for pixel perfection)
Balloon/block style pixel text.
Original size: 18.5pt (use multiples of this value for pixel perfection)
The 5x5 pixel font used for the Virtual Gremlin, an old emulator/game I wrote. The standard font for ingame text.
This font was also designed to work well with IRC clients and ASCII games (see sample).
Breaking the 5x5 grid was unfortunate but necessary in order to make legible characters in non-Latin languages.