Yakuma brings software engineering, game development and product design together. We build apps, games and digital tools,
from the first sketch to release and beyond.
SOFTWARE_ENGINEERING.JAR
SOFTWARE
ENGINEERINGSOFTWARE
ENGINEERING
We build software that makes the day
a little easier and keeps working
as your needs grow.
GAME_DEVELOPMENT.CPP
GAME
DEVELOPMENTGAME
DEVELOPMENT
That “one more try” feeling?
We build for it, with satisfying
controls and room to explore.
DIGITAL_PRODUCT_DESIGN.PEN
DIGITAL PRODUCT
DESIGNDIGITAL PRODUCT
DESIGN
We turn the idea in your head into
something people can pick up,
understand and enjoy using.
SOFTWARE_ENGINEERING.JAR
SOFTWARE
ENGINEERINGSOFTWARE
ENGINEERING
We build software that makes the day
a little easier and keeps working
as your needs grow.
GAME_DEVELOPMENT.CPP
GAME
DEVELOPMENTGAME
DEVELOPMENT
That “one more try” feeling?
We build for it, with satisfying
controls and room to explore.
DIGITAL_PRODUCT_DESIGN.PEN
DIGITAL PRODUCT
DESIGNDIGITAL PRODUCT
DESIGN
We turn the idea in your head into
something people can pick up,
understand and enjoy using.
THOUGHT THROUGH. BUILT WITH INTENT.
PROJECTS.
Discover what we’re building.
HOSHI_STAR_SUDOKU.APP
HOSHI: STAR SUDOKU
A fresh take on the classic Sudoku puzzle. Solve number puzzles on a distinctive star-shaped board. No Wi-Fi needed to play.
YAKUMA / PROJECT ARCHIVE2026 / 01 FEATURED PROJECTS
COMMON QUESTIONS.
About the studio, what we build and how to reach us.
QUESTION IN / ANSWER OUTQ / A
Q / A01 / 05
Yakuma is a digital product studio founded by Yassin Kuczma. We build software, mobile apps, games and interactive experiences.
Yakuma is developing Hoshi: Star Sudoku, a Sudoku game on a star-shaped board. We also explore app concepts, backend systems, game ideas and product interfaces.
Yakuma was founded by Yassin Kuczma. His work brings together software engineering, product thinking, visual design and interactive experiences.
Yakuma offers software engineering, Flutter apps, backend development, game design, product design and interface design, from concepts and prototypes to implementation and iteration.
Email mail@yakuma.de or use the contact form. Tell us what you want to build, where the project stands and which platforms you have in mind.
YAKUMA / QUESTIONS & ANSWERS05 QUESTIONS / ONE STUDIO
LET’S TALK.
YK / DIRECT CONTACT05
IDEAS / INQUIRIES
Tell us what you want to build.
An early idea is a good place to start.