Sonic Mania PS4 + DLC (US), PS4

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Sonic Mania Collector's Edition (Multi Language) [PS4]

Sonic Mania (2017), PS4 Game

Sonic Mania Plus for PS4, Xbox One, Switch Adds New Characters, Competitive Mode - IGN

Sonic Mania Plus Review – Worthy of an Encore (PS4, Xbox One, Switch, PC) » SEGAbits - #1 Source for SEGA News

Sonic Mania cheats: debug mode, level select, unlockables and more

* A true, classic Sonic experience: Gorgeous pixel graphics featuring a variety of new Zones with iconic favorites from Sonic 1, 2, 3, Sonic

Sonic Mania Plus (PS4 / Playstation 4) The ultimate celebration of past and future

Sonic Mania: Encore (2018) - MobyGames

Sonic Mania Review - PS4

Sonic Mania Plus - Own4Less

Sonic Mania Release Date Confirmed for PC, Switch, XB1 & PS4

Sonic Mania Plus new content is not going to be free for original owners of the game after all. : r/NintendoSwitch

Sonic Mania Plus Drop Dashes To PS4 July 17 – PlayStation.Blog

Sonic Mania Plus DLC Will Cost $4.99 If You Already Own The Original Game