Problem with Steam games. Ubuntu 22.04

Good day to everyone!

I installed Steam on my Ubuntu Mate 22.04. However, when I tried to launch a Fallout New Vegas, it did not work at all. Indeed, I indicated in Compatibility options a "Proton Experimental" as other versions of Proton. But when I pushed a FNV icon in the Steam menu, its launch menu appears and disappears very quickly.

Could you help me with this problem?

(Tech.specs: Maibenben x558, R7 5800h, Geforce 3060, 8, 512).

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Welcome @Alexander_Marey to the community!