Seems like you need to be signed in to play DOOM 1 & 2 in the DOOM Classics Collection PS4 physical. You will be unable to play the two games offline. : r/LimitedPrintGames
You Can Pick Up Doom Eternal For $50 Right Now (PS4, Xbox One, PC) - GameSpot
Original 'Doom' games hit PS4, Xbox One, Switch and mobile | Engadget
Amazon.com: Doom: The Classics Collection (Run 395) - PlayStation 4 1186670 : Video Games
DOOM Eternal Graphics Analysis: PS4 Pro vs Xbox One X vs PC Comparison
DOOM Eternal | Launch Trailer | PS4 - YouTube
Doom: The Classics Collection PlayStation 4 - Best Buy
Doom The Classics Collection (Playstation 4/PS4) BRAND NEW | eBay
DOOM Eternal - PS4 | PlayStation 4 | GameStop
PS5 Upgrade is Locked (bought the PS4 ver. digital) : r/Doom
DOOM Eternal Is Pushing the PS4 Hardware to Its Limit | Push Square