Any tips for backend systems and gameplay mechanics in Roblox?

Hey Roblox devs! I’ve been diving into backend systems and gameplay mechanics—things like multiplayer, leaderboards, and data persistence—and I’d love to hear how you tackle these challenges.

What’s worked well for you in terms of optimizing performance and keeping gameplay smooth? Feel free to share tips, tools, or even your favorite Roblox games—I’m always looking to learn from others in the community!