There are all kinds of skins in Killer Instinct:
- Mimic - All Characters and Costumes (excluding Legend of Thunder Costume).
- Shadow - All Characters and Costumes (excluding Legend of Thunder Costume).
- Colors - Jago, Sabrewulf, Spinal, Fulgore, Omen (Omen Color Pack), Hisako, Cinder, Orchid, TJ Combo, and Shadow Jago only.
- Silver - Shadow Jago only.
- Gold - All Characters (excluding Omen, Shadow Jago, Arbiter, General RAAM, Retro Costumes, and Legend of Thunder Costume).
- Platinum - Gargos only.
- Terror - Fulgore, Riptor, and Mira only.