Fortune Island will add a new off-shore area to Forza Horizon 4's map. The fictional island resides in "the remote northern reaches of the British Isles" - Shetland, then - and, like other Forza Horizon expansions before it, will focus on extreme weather conditions and demanding driving: "fierce lightning storms, perilous cliffside dirt roads, and sweeping paved mountain switchbacks under the mystical glow of the aurora borealis"