serious-magenta-yss8oleu-dpwly9dkbh1k.edgeone.dev hosts a simple Mini FPV Drone Simulator game. For a hobby project like this, the absence of contact info, about page, or legal documents is completely normal. Most individual game devs don't put up a privacy policy or a company address for a free browser game.
What matters more for a site of this kind are security fundamentals. The connection is encrypted with a valid certificate, the site isn't flagged by Google or any blacklist, and it loads fast. The one technical weak spot is that it still accepts outdated TLS 1.0/1.1 connections, but that's not a practical risk if you're just playing a game in a modern browser.
If you're asking "is serious-magenta-yss8oleu-dpwly9dkbh1k.edgeone.dev a scam?", there's nothing here that suggests fraud. No payment requests, no login prompts, no data collection. The site is likely a one-off experiment or a student project. You can play the game without much worry, but as with any unknown site, don't expect support or updates.