Independent software studio

Useful ideas, shaped into clear mobile experiences.

Berki Software makes focused apps and games where thoughtful details, readable design, and reliable interaction do the heavy lifting.

Currently building Nimblins, a colorful logic puzzle game.

Calm by designFriendly software without unnecessary noise.
Sol, a cheerful golden Nimblin character
Featured apps

Small details make software feel effortless.

Our products begin with a clear job, then earn their polish through useful features and considerate interaction.

Habit-support app

Nefsera

A local-first companion for tracking a nicotine-free journey, savings, cravings, and personal progress.

Explore Nefsera
Inside Nimblins

A logic puzzle that stays readable as the challenge grows.

Classic levels move from approachable one-per-region boards to deeper double-placement rules. Daily Puzzle, Endless play, Smart Hint, and cosmetic collections give each session a different rhythm.

Meet Nimblins

Learn the pattern

Rows, columns, and regions create a compact rule set with room for careful deductions.

Choose your pace

Work through Classic, return for the Daily Puzzle, or keep a run alive in Endless.

Collect personality

Unlock and select cosmetic Nimblins without changing the rules or gaining a gameplay advantage.

From the journal

Practical guides for calmer, sharper puzzle solving.

Learn a rule, recognize a pattern, and make your next move for a reason.

Need help with a Berki Software app?

Find gameplay guidance, privacy choices, data-request information, and a direct support email.

Visit support