ExtraSlots | - The Mod Database

xtra slotA Sonic 3 A.I.R. (S3AIR) Mod in the Extra Slot Characters category, submitted by CRaZyK15 and MobiTeam. Log In Sn Up v2.0449. Ads keep us on. Without them, we wouldn't exist. WeExtra Character Slots Unlimited, more commonly referred to as Extra Slots Unlimited or under the abbreviation ESU, is a framework for adding additional characters