Responsibilities: Constructing the logic of action game fun in line with game policy, deciding on the specifications of players and enemies that can realize it. Proposing the specifications for enemy AI. Judging the optimization of actual numerical values. Creation of materials such as specification documents and documents related to the main (direction) action part of the project Requirements: More than 3 years of practical experience in battle design. Ability to design appropriate data based on game design. Ability to understand the system and design data with awareness of rules and dilemmas. Ability to convey intentions to others regarding data design. A certain level of knowledge of graphics and programming.