There are times when you just need to fill some time. Though you probably don’t have a lot of choice vis-a-vis when the need arises, Aspyr is making the choice of how easier with Mac game deals — get Quake 4, Doom 3 or Rage: Campaign Edition at 50 percent the suggestion retail price.

These Mac promo prices are only valid through Thursday, October 18 (11:59PM, CST) and only apply to the download versions.

• Quake 4: OS X 10.6.8, 2.2GHz or faster Core 2 Duo, 2GB RAM, 3GB HDD, ATI Radeon 2600, nVidia GeForce 8600, Intel HD 3000 w/ 256MB
— Mac App Store, $9.99
— GameAgent.com, $9.99
— Amazon.com, $19.99*

• Doom 3: OS X 10.6.8, 1.8GHz or faster Core 2 Duo, 1GB RAM, 2GB HDD, ATI X1600, nVidia GeForce 7300, Intel HD 3000 w/ 128MB
— Mac App Store, $4.99
— GameAgent.com, $4.99
— Amazon.com, $9.99*

• Rage: Campaign Edition: OS X 10.7.2, 2.2GHz of faster Core 2 Duo, 4GB RAM, 25GB HDD, ATI Radeon 3870, NVidia Geforce 8800, Intel HD 3000 w/ 256MB
— Mac App Store, $14.99
— GameAgent.com, $14.99
— Amazon.com, $29.99*

As always, the choice of which vendor largely comes to personal preference, as well as which will charge you sales tax. Whereas the Mac App Store almost always does add sales tax, Amazon usually doesn’t.

* Amazon links provided for reference and access to physical media versions.

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