Is the content already on the disc? Yeah
Do you need to make an additional purchase to unlock it? Yeah
Sounds like on disc DLC. Now I'm not saying there is anything wrong with that, but yeah its 100% on disc DLC
Platinums: Red Dead Redemption, Killzone 2, LittleBigPlanet, Terminator Salvation, Uncharted 1, inFamous Second Son, Rocket League