Forza Horizon 4

Forza Horizon 4 brought the series to Great Britain and introduced a major new system feature — dynamically changing seasons, where the entire open-world map transforms every week from snowy winter through blossoming spring and lush summer to autumn leaves, with each season changing road grip, available routes, and the look of the environment. In winter a lake freezes over, opening up a route otherwise inaccessible; in autumn, muddy dirt roads punish too heavy a right foot. With this, Playground Games created a living world that keeps evolving without the player having to wait for the next expansion.

For the first time, the Horizon festival functions as a shared open world, where players encounter other live participants directly while driving, without having to enter separate lobbies, creating a sense of a genuinely living automotive community. The car roster exceeded four hundred fifty vehicles, a housing system let players buy homes across the map and unlock bonuses through them, and the new Horizon Life framework offered leisure activities beyond racing, including winter fun and collectible challenges. Forzathon Live events were also added — time-limited community tasks with an immediate reward that connected players across the world in real time.

The visuals on Xbox One X reached native 4K resolution with rich vegetation changing according to the season, while the base Xbox One held a steady thirty frames per second. The driving model remained true to the series' arcade-leaning but technically honest approach, in which every car handles noticeably differently, while the game never punishes newcomers, since difficulty and assists can be tuned almost however one likes. Forza Horizon 4 is still cited as one of the most successful and longest-supported titles of the entire generation, with regular content updates for years after release, and for many players it remained the main reason to get an Xbox One in the first place.