Video games that
make a difference

We develop video games and interactive experiences that have an impact – narrative, emotional, educational, or anything inbetween.

Our FEATURED Projects

musiculum SPIEL

A game for kids and young adults to discover and learn about musical instruments. The game is 100% free and the result of a cooperation with the musiculum in Kiel.

The Cost of Recovery

A narrative adventure game that tells the story of a family whose 9-year old son suffers a stroke. A game about empathy, different perspectives, and keeping a family together.


TRUSTease is a coaching game for teams looking to improve and discuss the trust among their peers. Nominated for the Best of Digital Schleswig-Holstein.


Our streaming formats

Campfire Conversations

A monthly streaming format where we invite developers of other games to discuss their projects, as well as common challenges and learnings our studios might have made along the way.

The Playful Library

A bi-weekly book club podcast where we read and discuss books about game development and game design. No matter if you read along or just listen in – join us on your favorite podcast platform!

The Expedition Log

Once a month we stream our Expedition Log – a format where we discuss what we’ve been working on, and offer an exclusive look behind the curtain on the games and projects we develop.

Latest BLogposts

Non-Surreal Game

This time we have a special recommendation from our local community. This game got everything: Doors. Walls. Even keys. Does that sound interesting to you? Find out, why it should.
























Working with Jens and his team is a lot of fun. Their uncomplicated, helpful and flexible style made it easy for us to let more commissions follow the first one – expecially since the result is always great!

– Hendrik Peeters, CEO of Tivola Games

Highlight: The CEO who thinks ahead and not just along.
Learning: OTBT finds a solution even when I don’t know what to do!
Specialty: The team at OTBT combines a wide range of disciplines and thereby shows the way into the future.

– Meike Christiansen, CEO of TRUSTease

Our collaboration with OTBT was professional and uncomplicated. The team implemented our wishes very competently, creatively and reliably. Overall: A great collaboration and very professional implementation of the game. Thanks a lot for this!

– The musiculum Team

We had a lot of fun developing the Gamevention app with Jens and his team. Even under great time pressure and with very tight timelines: always super friendly, very helpful and available for us at any time. This is how cooperation should be. We are already looking forward to the sequel! Thanks to you and your team!

– Oliver Welling, CEO of Gamevention