How to reach the true final ending in Sonic Frontiers

Interestingly, Sonic Frontiers contains a true, secret ending that players can access through a rather simple method.

Sonic Frontiers: How to unlock the true final boss & ending

Did I miss the true final boss? : r/SonicFrontiers

Sonic Frontiers - True Final Boss & Ending on Make a GIF

Beat Frontiers final boss last night and let the credits run all

Sonic Frontiers - True Final Boss & Ending

Sonic Frontiers' Final Horizon Launches Today With New Trailer and

SONIC FRONTIERS Final Boss + True Ending (Hard Mode All

Endings - Sonic Frontiers Guide - IGN

Sonic Frontiers' final boss is living rent free in my head

SONIC FRONTIERS - Ending & Final Boss Fight

Sonic Frontiers: How to defeat Giganto, the First Titan