Research PlaygroundSøren Riis · ideas you can play with

Mathematics, with your hands on it

Small games.
Big questions.

Four ways into the research of Søren Riis and collaborators. Make a move, notice a pattern, ask what it means.

Start with Signal Club, or follow your curiosity.

01 / Information

Signal Club

Teach a team to guess what nobody can see alone.

???
4–7 min · hints included

02 / Collective choice

The Assembly

Break a voting cycle without making everyone agree.

ABC2 : 1
5–8 min · hints included

03 / Games & learning

Counterplay

Beat a predictable rival. Find a rule that travels.

001010011even · even · even
7–10 min · hints included

04 / Drift & selection

The Copy Garden

Grow a population of texts. Watch words disappear and return.

copy → sample → inherit
5–8 min · hints included

These are playable mathematical models. Each game includes its assumptions, exact checks, research links, and collaborator credits. The core experiences work without an internet connection once served locally.

Research games · September 2026
No scores leave this browser.