this post was submitted on 14 Sep 2023
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[–] [email protected] 150 points 11 months ago (12 children)

Because changing the engine in an existing project is a huge pita that requires many, many hours and possibly in some cases a full rewrite.

This also applies to games that would be released in 2023 or 2024.

Nobody should be considering Unity for a new project, but it's understandable to make either decision for many existing projects.

Ripping out the engine of your game isn't a trivial thing.

[–] [email protected] 55 points 11 months ago (2 children)

Many many hours is a massive understatement.

Thousands and thousands of hours is more appropriate

[–] [email protected] 4 points 11 months ago (1 children)

I don't know how you could change the engine without rewriting the entire thing basically from scratch.

[–] [email protected] 1 points 11 months ago* (last edited 11 months ago)

It really depends on how modular their codebase is. The Doom 1/2 modern ports they did in 2019 use Unity. But it's actually still the original Doom underneath and just using Unity for input and output to make porting easier

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