common(s) -- credit(s) / digital dossier(s): reward(s) / punish?

_ .. / ... / vision(s) / science / art(s) / education(s) / machine(s) / _ / .

game(s) / persuasive(s) = story + dilemma(s)

student(s) / challenge(s) / hedonic calculus / SOG

/ play / casual / flower / story / game(s) / wave(s) / cycle(s)