Keyvoya
The learning game combines typing practice, world travel and progression and is in a transparent pre-release testing phase.
Playable ideas for PC and mobile
I create games and interactive applications with Unity, Godot or suitable technology for Windows, Steam, Android and iOS.

Playable ideas for PC and mobile
Concept, mechanics, interface, graphics, audio and publication can be developed as one coherent product.
The learning game combines typing practice, world travel and progression and is in a transparent pre-release testing phase.
A core idea is tested as a prototype and expanded deliberately into a full game.
Game mechanics communicate knowledge, workflows or products clearly.
We clarify the goal, current situation, users and essential requirements.
You receive a rough framework for implementation, scope, timing and price.
The project is built transparently, with regular feedback whenever useful or requested.
The solution is delivered or installed, tested and explained clearly.
Support for agreed features and later extensions remain available.
Platforms, scope, age target, rights and AI use are agreed transparently. Store or platform acceptance cannot be guaranteed.
IT-Service Castel
Primarily small and medium-sized businesses, facilities and teams. Ambitious personal passion projects are welcome too.
Yes. On-site work is available in Berlin and Brandenburg and, depending on the project, throughout Germany. Travel effort and cost are agreed in advance.
Billing depends on the task, scope, risk and required support. You receive a transparent framework before work starts; there are no blanket bargain promises.
You can enquire at any time. Guaranteed acceptance, response or restoration times apply only when explicitly agreed. Any surcharge is confirmed before paid out-of-hours work starts.
Directly by email, phone, WhatsApp or through the Castel community on Discord. The form only needs your name, email and message.
Selected service: Game development
Briefly describe your project. I will clarify the goal, scope and most sensible next step with you.