Sonic Frontiers: An open-world Sonic game with missed potential - Polygon

Sonic the Hedgehog’s open-world adventure Sonic Frontiers is bogged down by too much repetition, minigames, and resource collecting to be great.

Sonic The Hedgehog: Every Game In Order With Timeline, and More - History-Computer

Sonic Frontiers debuts some open-world gameplay and puzzles

Sonic Doesn't Need An Open-World Game, It Needs Focus

Review: Sonic Frontiers Tries Something Interesting - Siliconera

Sonic Doesn't Need An Open-World Game, It Needs Focus

Sonic Frontiers review - breaking the cycle of failure - Metro

Sonic the Hedgehog in 3D - A Retrospective

Best Sonic Frontiers Posts - Reddit

Sonic Prime The Chaos Project: Sonic the Hedgehog