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First of all I have Xcode 4 installed in Mac OS X Snow Leopard 10.6.8. I have downloaded the Quake 3 source code 1.32b release but I can't open the Xcode project that is inside the /macosx folder since it is in the old .pbproj format and therefore it throws an "incompatible version" error. Has anyone been able to convert this to a Xcode format or is there any other way to compile the source code in Mac OS X Snow Leopard?


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closed as off-topic by Josh Petrie Feb 15 '14 at 21:12

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Programming questions that aren't specific to game development are off-topic here, but can be asked on Stack Overflow. A good rule of thumb is to ask yourself "would a professional game developer give me a better/different/more specific answer to this question than other programmers?"" – Josh Petrie
If this question can be reworded to fit the rules in the help center, please edit the question.

I don't see how this is related to gamedev actually. The question is about "How to open old XCode project in newer version?" and is more appropriate for StackOverflow really. – Kromster Feb 17 '14 at 9:58
I suggest you do as Krom suggests and open a new question on StackOverflow, in a more generic form. – Byte56 Feb 17 '14 at 14:14

The original Quake 3 source was released quite some time ago. I wouldn't be surprised if it's out of date.

I would suggest the ioquake3 version, except that I tried it recently on Leopard and the build failed for me. Your mileage may vary.

The ioquake there is essentially just bug fixes and maintenance work on top of the original quake3 source. If you just want to study the engine or do some prototyping it should be a better starting point than the original source that id released. Plus, it's in svn so you can get the history of changes if you need them.

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try adding .xcode to end of the folder name. open it in xcode and save it as an xcodeproj

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This answer isn't very specific, could you provide more details? – Josh Petrie Nov 29 '11 at 16:27

Opening and browsing

To be able open project with latest XCode go through steps:

  1. Download and install Xcode 2.5 Developer Tools for Mac OS X v10.4 (Tiger) and Mac OS X v 10.5 (Leopard) from

  2. Open code/macosx/Quake3.pbproj in XCode 2.5 and it will prompt you to save .xcodeproj project file

  3. Open project in XCode 4/5 and browse the project

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