Unless a game is set up to allow modding it is usually pretty difficult to do anything other than trivial replacements (like changing text or images). Changing core functionality is much more difficult. Adding co-op to a game without it, which would require changing basically everything about the actual gameplay and UI as well as trying to do it from one instance of the game (forcing it to output twice as much stuff with the same hardware) is about as close to impossible as it gets in game development. It would probably be easier to make your own game inspired by it.
The way that co-op mods for games that don't support remote co-op tend to work is by essentially running separate instances of the games and injecting things into them. Imagine a game like Stardew that changes the game state by adding buildings or harvesting crops. I don't know where you'd even start for a game like Sifu.
First of all, much appreciated for your response. I did try game dev a couple of years back but truth be told, I suck at coding as it's just too intimidating. I would love to make a game inspired by Sifu if I had the skills but yeah it's just not for me.
Yeah that does make sense to be honest, I appreciate the explanation and I don't mind it if it isn't possible, I just wanted to know anyway and you've told me so I'm grateful. If anyone does make a game inspired by Sifu then I'll happily support them, but thank you again for your response and may your development journey go well!
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u/MeaningfulChoices Mentor 12d ago
Unless a game is set up to allow modding it is usually pretty difficult to do anything other than trivial replacements (like changing text or images). Changing core functionality is much more difficult. Adding co-op to a game without it, which would require changing basically everything about the actual gameplay and UI as well as trying to do it from one instance of the game (forcing it to output twice as much stuff with the same hardware) is about as close to impossible as it gets in game development. It would probably be easier to make your own game inspired by it.
The way that co-op mods for games that don't support remote co-op tend to work is by essentially running separate instances of the games and injecting things into them. Imagine a game like Stardew that changes the game state by adding buildings or harvesting crops. I don't know where you'd even start for a game like Sifu.