Tina Detective. Help private detective Tina with her new job and solve a top secret case! Select a costume for an undercover mission and find all the hidden objects to gather important information. Afterwards, dress up the busy investigator for a costume ball to meet your contact and hand over the information. Great job, the case is closed! This game is one of the girls dress up games on Round Games. It can be played on all devices. Enjoy and have fun in playing this free online mobile girls game.