Recommended categories for Physics Games
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USER_INTERFACES: User interface and menu naviation
IMPACTS: Interaction with stone, wood, metal, etc.
PUZZLES: Music stabs for success and achievements
ROBOTICS\Servos: Robotic movements
CREAKS: Creaking wood
SCRAPES_SCRATCHES: Scraping and scratching sounds
MACHINES_MECHANICS: Machine and Mechanical sounds
THUDS_THUMPS: Soft objects impacts
VEHICLES\Thrusters: Rockets and thrusters
FRICTION: Friction sounds
SHATTER: Shatter sounds
ENGINES_MOTORS_GENERATORS: Engine motor and generator sounds