But on Thursday, the company published a list of every PC title known to it that has incompatibility issues with Alder Lake. Whether these would be marginal titles or blockbusters we did not know, as hundreds of games use the Denuvo DRM scheme.

Intel was originally mum on which specific games were affected, making it unclear the scale of the problem the company cited '32' in pre-release briefings to the tech press. (This P-core/E-core design is a new trait of Intel's chips with Alder Lake.) The errors occur because Denuvo's DRM software will mistakenly think the so-called 'Performance-cores' and 'Efficiency-cores' (P-cores and E-cores) on the chip belong to two separate PCs, when in reality the two types of processing cores are running on the same Alder Lake processor. The game would crash halfway through the test run, or simply not boot in at all. This was confirmed in our review of the Core i9-12900K when we tried to run the hit AAA Ubisoft title Assassin's Creed: Valhalla, part of our processor benchmark suite. An anonymous reader quotes a report from PCMag: Intel has posted a release that the hybrid CPU core architecture on Alder Lake can be incompatible with certain games, specifically some protected by the anti-piracy DRM software from Denuvo.

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