Gill's Halloween Costumes is a Dress Up game on PFreeGames.com. You can play Gill's Halloween Costumes in your browser for free. Cute Color Girl Gill is getting prepeared for the Halloween party. Her best friends Cherry and Grace are wearing their best costumes this year, but Gill couldn't make a decision yet. Could you help her choose the perfect halloween costume and accessories? Have fun! Control: Use your mouse to play.