Big Game Theory - Jakub Wiśniewski

90.13.Z - Other creative activities

18.12.Z - Other printing

32.40.Z - Production of games and toys

47.64.Z - Retail sale of games and toys

58.21.Z - Publishing of computer games

70.20.Z - Business and management consultancy activities

73.11.Z - Advertising agency activities

73.30.B - Other public relations and communications activities

74.14.Z - Other specialized design activities

74.30.Z - Translation and interpretation activities

77.40.B - Leasing of intellectual property and similar products, excluding works protected by copyright

82.30.Z - Activities related to organizing fairs, exhibitions, and congresses

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

85.59.D - Other non-school forms of education, not classified elsewhere

85.61.Z - Mediation in organizing courses and tutoring