Based off of a puzzle game Idea I have.
It's sort of like a cross between Gunpey and a 1-D Sudoku.
If you want to see the specific rules to the game, take a look at this document:
https://docs.google.com/document/d/1lXeDR1XjB7zTUVcm7y7BlOcOmg9rxpAkX7CK_rhQx_I/edit?usp=sharing
Strict monospaced 3x5 font. Reasonably legible and balanced. Includes upper- and lower-case, digits, punctuation, the whole lower half of CP437. Largely derived from Tom Thumb (MIT or CC-BY 3.0 or CC0 license): http://robey.lag.net/2010/01/23/tiny-monospace-font.html
you do it bold main gain many the 563 characters from full version!