Open logic System is to rethink the role of game logic in a SMALLab play scenario by releasing certain key decision moment to the hands of teachers, players, peers, or spectators. An example will be the debate mechanic in Ross’s Civsift game, Ross holds the final decision on which defense argument makes more sense than others. This method definitely makes the problem solving moment more creative than ever, however, it requires teacher to participant more which might cause problems since every scenario has very short production time.