Yeah, if you liked Forza 4, you'll love this one. Especially with ray tracing and maxed out graphics settings. The lighting and environment looks really good. Very detailed. My 3070 Ti runs it at Ultra getting ~130FPS. That beefy 3090 of yours will probably run this game like a background process even on maxed out settings.
The gameplay is really enjoyable though. Forgiving and fun. It has a real open world feel, so you can just cruise around aimlessly if you want and still find lots of stuff to do regardless of doing any missions. There's over 66 square miles of exploration. 1.7 times more than Forza 4. I've been enjoying the single player progression so much I haven't had a chance to play the multiplayer stuff yet, but I've heard it's also pretty fun. You can even do some group team stuff together with others, but I haven't tried that out yet...
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