Can I Design an FPS Game in 72 Hours?

I have exactly 3 days to design a fully functional FPS video game from scratch, and then pitch my game idea to a professional video game judge and developer! Will I actually be able to pull this off?
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I'm Seamunis and I design Minecraft mobs, Vtuber models for creators like JellyBean, and now I'm an indie game developer! I guess this is kinda like a devlog if you think about it hard enough... I hope you all have a great day! :)
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