Complete the following achievements to unlock Xbox Live Gamerscore points.
| Achievement | How to unlock |
| Chapters 12-13 (Normal) (20 points) | Complete Chapters 12 and 13 on Normal difficulty.
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| Chapters 14-Epilogue (Normal) (20 points) | Complete Chapters 14 through the Epilogue on Normal difficulty.
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| New Testament: Ch. 12-13 (Hard) (20 points) | Complete Chapters 12 and 13 on Hard difficulty.
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| New Testament: Close The Book (20 points) | Complete Chapters 14 through the Epilogue on Hard difficulty.
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