Modifiers matching play:

• preferred,
• familiar,
• tactile,
• creative,
• active,
• instrumental,
• unstructured,
• free,
• strong,
• imaginative,
• outdoor,
• quiet,
• dramatic,
• literary,
• online,
• symbolic,
• informal,
• noisy,
• psychological,
• sensory,
• motor,
• big,
• defensive,
• structured,
• special,
• collaborative,
• sexual,
• messy,
• individual,
• indoor,
• rough,
• interactive,
• dangerous,
• complex,
• world,
• expressive,
• therapeutic,
• unlawful,

Simple categories matching messy:

• substance,
• animal,
• food,
• item,
• toy,
• meal,
• color,
• play,
• material,
• medium,
• industry,