GWAP en · NOUN Meanings (abbreviation, acronym, alt-of) Acronym of game with a purpose. alt of game with a purpose The first and perhaps best known GWAP is the ESP game, which cloaks the task of labeling images under the guise of a game. 2013, Pietro Michelucci, editor, Handbook of Human Computation, Springer Science & Business Media, →ISBN, page 729: Forms SpellingFeaturesLabelsSource GWAPs Number=Plur lexicographic