Mardi Gras Carnival is an online game at 43g.Com. You can play Mardi Gras Carnival in your browser for free.The most colorful time of the year has come! Mardi Grass Carnival is here! Go and find the most colorful pieces you can find and combine them to create a vivid costume! You are free to use tons of accessories! Here is a small tip; feathers on head are very popular for this carnival!