21st century skills have become a catchphrase for the still underdeveloped preparation of the humans for the uncertainties of their future. They have been part of our work for as long as a decade and we offer them process-integrated and in the fierce negotiation with questions of personal integrity that powerful skillsets request. Open inquiry, advanced pattern play, heuristics, ambiguity endurance, fruitful disagreement, self-steering, co-constructing, complexity management, rigor, frustration tolerance, high level cortical control and, well, habitual honesty and bravery are simply part of the games we play.