Here another article on a real session with DSbuilder (ver 1). LINK This event happened in an Italian meetup group (Scrum Agile Milano) with 20+ players.

My article on linkedIN about the November session with DSbuilders (ver 2) and 15 players. LINK

Here you can find a real session of DSbuilders (rel 2) described with the effects on people behaviours. Collaboration gaps enhanced by a game? Yes, we can