砂地／ビーチ／砂浜 (Sand / Beach)
入手：
Yughues Free Sand Materials | Unity Asset Store [Official]
Pebbled Sandy Dirt | Unity Asset Store [Official]
HQ Sand 01 Game-Ready Material | Unity Asset Store [Official]
4K Desert Sand Materials | Unity Asset Store [Official]
Texture: Sand | Unity Asset Store [Official]
Sand | Unity Asset Store [Official]
Sand, Mud, Grass Specified Shader Smart, Mobile Edition | Unity Asset Store [Official]
Sand, Mud, Grass Specified Shader Smart, Standard Edition | Unity Asset Store [Official]
Sand, Mud, Grass Specified Shader Smart, Advanced Edition | Unity Asset Store [Official]
Sand, Mud, Grass Specified Shader Smart, Professional Edition | Unity Asset Store [Official]
砂利／小石 (Pebbles / Cobbles)
入手：
Yughues Free Cobble Materials | Unity Asset Store [Official]
Stones 07 | Unity Asset Store [Official]
Stones 09 | Unity Asset Store [Official]
Pebble, and Pavement Specified Shader Smart, Advanced Edition | Unity Asset Store [Official]