Forza Horizon 4 is on Steam and there's cross-play
Buy Forza Horizon 4 Standard Edition - Microsoft Store en-MS
Buy Forza Horizon 5 Premium Edition - Microsoft Store fo-FO
Buy Forza Horizon 4 Japanese Heroes Car Pack - Microsoft Store en-AI
Buy Forza Horizon 4 | Xbox
Forza Horizon 5 - Xbox Series X
Buy Forza Horizon 4 Icons Car Pack - Microsoft Store en-GY
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Amazon.com: Microsoft Xbox One S 1TB/2TB Forza Horizon 4 Bonus Bundle: Forza Horizon 4, Xbox Wireless Controller, Xbox One S 4K HDR Console - White One S Gaming Console with 4K Blu-Ray