why it is only possible to insert custom code into some games but not others?

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The two examples that come to mind are Mario World and Paper Mario, where custom code injections are frequently used by speed runners (credit warps) or even to write custom programs within the game like Flappy Bird which Sethbling did. What is it about the design of these games which allow for this type of manipulation, whilst in other games this isn’t possible?

In: Technology

3 Answers

Anonymous 0 Comments

It’s never going to be “impossible” but it just varies from being very difficult* to very easy.

The biggest thing that affects this is how much of the code we are able to see in a format that is easily to read.

It’s the difference between code that looks like:

“If the user pressed A then jump”

and”16AF45CE12GAFFAA32″

In the first example, it’s pretty obvious what you need to change if I wanted to jump when you pressed “B”.

But what would you change in the second example?

*By very difficult I mean it can take *decades* of someone going over the code to figure it out how to change it.

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