#[Help] How does a secure RNG machine system work in a simulator/tycoon game?

1 messages · Page 1 of 1 (latest)

raven mica
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Hi everyone,
I’m a beginner working on a Roblox simulator/tycoon game with RNG mechanics, and I’m trying to understand the logic behind how to structure a system where:

Players can own machines that generate items over time (e.g. a basic machine generates a cube every 5 seconds worth $10),

These machines are obtained through luck-based rolls, with different chances (e.g. a rare machine might have a 1 in 1,000,000 chance),

Machines are stored in a slot-based inventory system,

Players can place them in the Workspace,

Machines automatically produce items that are then sold,

Each machine type has fixed properties (generation speed, output value, etc.).

I mainly want to understand how such a system is structured properly and securely — especially to avoid exploiters being able to:

Modify the value of generated items,

Fake machine ownership or change their properties (speed, name, etc.),

Spawn machines or items freely into the Workspace.

I know most of the logic should be handled server-side, and that RemoteEvents/Functions should be used carefully, but I’m not yet sure how to link it all together securely in practice.

➤ Should machine definitions be stored in ModuleScripts?
➤ Should only the server clone/place machines from ServerStorage?
➤ How do you protect the logic behind item generation?
➤ What’s the best way to manage a player’s machine inventory securely?

I’m not specifically looking for code or a tutorial — just a clear explanation of how this kind of system is normally structured.
That said, if anyone feels like helping me further or guiding me through some parts, I’d be more than happy to learn.

Thanks in advance!

pastel hornet
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Generally just don't trust the client at all.

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Only do things locally that are have to be done or just don't make sense to bother the server.

unique shadow
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elaborate on what you mean
dont need to
handle it on the server with checks
good data handling

pastel hornet
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The whole ordeal of roblox hacking is exploiting the client side of the game, if you can properly manage what the client can do using LocalScripts, e.g. securing RemoteEvents that handle Client->Server calls, nobody will be able to do anything.,