For a slightly more retro, yet still very "fat" and rounded feel, Cooper Black is an excellent choice. It conveys a friendly, approachable mood similar to the playful side of Krana Fat. 4. Free Fat Font
If the exact "Krana Fat" is not free for commercial use, consider these similar open-source fonts: krana fat font free download
They are designed to be mixed together, creating a lively, rhythmic staccato effect in headlines. For a slightly more retro, yet still very