ah i had not looked there, so that is where am pulls the categories from.
#Name;Title;Emulator;CloneOf;Year;Manufacturer;Category;Players;Rotation;Control;Status;DisplayCount;DisplayType;AltRomname;AltTitle;Extra;Buttons
88games;'88 Games;Arcade;;1988;Konami;Sports / Track & Field;4P alt / 2P sim;0;;good;1;raster;;;;3
gtmr;1000 Miglia: Great 1000 Miles Rally (94/07/18);Arcade;;1994;Kaneko;Driving / Race;2P alt;0;joystick (8-way),paddle,dial;good;1;raster;;;;2
1942b;1942 (First Version);Arcade;1942;1984;Capcom;Shooter / Flying Vertical;2P alt;270;joystick (8-way);good;1;raster;1942;;;2
aliensyn;Alien Syndrome (set 4, System 16B, unprotected);Arcade;;1987;Sega;Maze / Shooter Large;2P sim;0;joystick (8-way);good;1;raster;;;;3
^^^
still not sure why maze didnt work... i did try contains as well