Projects
Games, puzzles and experiments
This is where current and finished projects live – not as a complete archive, but as a living collection.
Prototype stage
Dragons!
A trick-taking game for exactly three players. Compact, tactical and with enough bite to make every trick feel like a small decision.
More about Dragons!Finished
Straight Up
A simple, modern card game for standard playing cards for two to four players. The rules are intended to be freely available.
More about Straight UpBook series
Puzzle Books
Original puzzle books and book concepts, including Sumtris and further releases under the name Der Rätselking.
More about the puzzle books