Yes, both RNDR and Sandbox have proven themselves. You can find more details about CROS on their website:
https://www.cros.world. They also have strategic partnerships with most gaming companies. I would appreciate any feedback from you.
Leading companies in the gaming industry become strategic partnerships for this project. Some big names like Playstation, Roblox, XBOX, Unity, Nintendo & Gameloft are joining there. Actually, what is the purpose of this project? is it just to create a metaverse that is intended for advertising? If it's just like that, I think this project doesn't have a good flow to become a top project.