Sonic Frontiers' free updates make it sound like a live service game - Polygon

Sonic Frontiers is a recently released open world Sonic game from Sega and Sonic Team. Developers revealed a timeline for updates on Wednesday that showed the game would be getting new features, modes, and skins in 2023.

Sonic Frontiers innovates the series in all the right places

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News - October, 2022

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Sonic Frontiers has been added to the PlayStation Plus Deluxe/Premium game trials. : r/PlayStationPlus

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Sonic Frontiers Sights, Sounds, and Speed update: Features Photo Mode, Jukebox & New Challenges