Quotation1 Changes the battle, event and minus ring spaces into plus ring spaces for 4 turns. Quotation2
— Description, Sonic Shuffle[1]

The Ringidium (リングジウム Ringujiumu?) is an object that appears in Sonic Shuffle. It is a sea green Forcejewel.


A Ringidium replaces all Battle, Event and Minus Ring spaces with Plus Ring spaces for four turns.



  1. Sonic Shuffle (Dreamcast) United States manual, p. 18.

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