PlayStation 2 CD-ROM (Concept) - Giant Bomb

Early and smaller PS2 games were produced on CD-ROM rather than DVD-ROM. They are easily recognized by the iconic, deep blue color of the underside of the disc.

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Ratchet and Clank: PlayStation 2: Video Games

Sony PlayStation 4 Pro review: Should you buy a PS4 Pro? It's complicated - CNET

Why the PS2 is overrated in a nutshell : r/originalxbox

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What hidden gems of the PS2 are your favourites? : r/retrogaming