Sonic 3 R - Extra Slot With Differents Abilities

Metal Sonic and Shadow, which might be possible bc from what I understood you can add 3 extra slots for each character But yeah idk how to

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sonic 3 air extra slot Rookie's Extra Slot Trip in Sonic 3 R is a Sonic 3 R mod with new playable character

sonic 3 air extra slot shadow In this video, I show off an Extra Slot Super Sonic mod for Sonic 3