What are you waiting for? hop on in and pick from over hundreds of world-class cars and begin your horizon adventure today. Forza Horizon 5 is an Open-world adventure racing game, the fifth game of the Horizon series of Forza games developed by Playground Games, this time it’s set on the biggest map featured on the series yet with over 107 km2 of serene and beautiful Roads spanning across Mexico’s rural and urban districts, the map itself will be divided into 11 different biomes.