With thePlayStation 5releasing worldwide next month, Sony has gone into full swing on the next-gen consoles marketing. One of the system’s main selling points is backwards compatibility, with all but 10 obscure PlayStation 4 games moving over to next-gen.

Many of the 4000+ PS4 games playable on PS5 will have higher frame rates or,likeFinal Fantasy 14’s PS5 version, faster load times. Some obscure games did not make the cut, however, with 10 titles being listed in a PS Blog post as exclusive to the PS4 platform. The reasoning behind their exclusivity is unclear, though most if not all the games in question are unknown or unpopular.

screenshot from shadow complex remastered

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Kicking off the list is arguably the best-known game on the list,Hitman: Go. A turn-based puzzle game released back around the PlayStation 4’s launch, the gamespawned aTomb Raiderspinoffthat shared similar mechanics. The indie titles were far from reaching the popularity of the main series, however, originally releasing on mobile devices and coming to PlayStation with some easy trophy lists.

Crytek’s VR gameRobinson: The Journey, which was considered by some to be one ofthe worst games of 2016, also makes the list of PS4 only titles. It is joined by an obscure but decently reviewed racing game inTT Isle of Man: Ride on the Edge 2and stealth gameShadwen, as well as the indie horror gameJoe’s Diner. Party gamesWe Sing!andJust Deal With Itwill both not make the cut, with VR titleDWVRand the poorly receivedAfro Samurai 2also being locked onto the PS4 platform.

The final game being kept exclusively on PlayStation 4 may be the most disappointing for its few loyal fans, as the cult classicShadow Complex: Remasteredwill not be playable on PS5. Ironically,Shadow Complexfirst came to the current consolesthrough Xbox One backward compatibility, but it will not be doing the same for the next-gen PlayStation platform. With most gamers not knowing aboutShadow Complexor any of the other games on this list, however, it is unlikely that these games not being backwards compatible has any effect on the sales of the PlayStation 5.

ConsideringSony has high expectations for PS5 console salesdue to player interest in features like backward compatibility, PlayStation players should be more than happy with the huge library of backward compatible games Sony is providing. For hardcoreShadow Complexfans, however, hanging onto that PS4 may be a good idea.

ThePlayStation 5will launch on November 12 in the US, Japan, Canada, Mexico, Australia, New Zealand, and South Korea, and will launch everywhere else on November 19.