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Achievement Systems Explained (2014) : Luca Galli and Piero Fraternali DOI: https://t.co/HNEoinX0MB #achievement #game_design #game_mechanics #games #reward #reward_systems #taxonomy #my_bibtex
Achievement Systems Explained (2014) : Luca Galli and Piero Fraternali DOI: https://t.co/HNEoinX0MB #achievement #game_design #game_mechanics #games #reward #reward_systems #taxonomy #my_bibtex