Sonic Unleashed X is a 2016 game, taking events after the original Sonic Unleashed. It's 6 years, after those events and celebrating the 25th anniversary of Sonic. This is also features a surprise death in this game, making this game rated PG.
- Sonic the Hedgehog/Super Sonic (Default)
- Blaze the Cat/Burning Blaze (Unlocked by completing Mazuri Citadel)
- Blaze the Cat (Rescued in Mazuri Citadel)
- Shadow the Hedgehog (Rescued in Dragon Chun-nan)
- Silver the Hedgehog (Rescued in Holoska Edge)
- Cream the Rabbit (Rescued in Apotos Isle)
- Miles "Tails" Prower (Rescued in Rooftop Spagonia)
- Knuckles the Echidna (Rescued in Skyscraper City)
- Amy Rose (Rescued in Adamar Joyands)
- Chip (Companion of Sonic and Blaze)
- Yacker (Companion of Sonic and Blaze)
- Wisps (Power-Ups for Sonic and Blaze)
- Fang the Sniper, Bean the Dynamite and Bark the Polar Bear appear in "Wanted" posters.
- Mighty the Armadillo appears in "Missing since 1995" posters.
- Ray the Flying Squirrel appears in "Missing since 1993" posters.
- Jet the Hawk appears not only in "Arrested" posters, but also appears as a rival.
- Rouge the Bat appears in "Wedding Participating" posters, also appears as a rival.
- Vector the Crocodile appears in "Chaotix Missing" posters and also appears as a rival.
- Espio the Chameleon appears in "Chaotix Missing" posters, also appears as a rival.
- Charmy Bee appears in "Chaotix Missing" posters, but also appears as a rival.
- E-123 Omega appears in "Robots Destroyed" posters, also appears as a rival.
- E-102 Gamma appears in "Robots Destroyed" posters, also appears as a rival.
Bosses and RivalsEdit
- Beginner: Jet the Hawk
- Intermediate: E-123 Omega
- Semi-Pro: Vector the Crocodile
- Pro: Charmy Bee
- Advanced: Espio the Chameleon
- Expert: E-102 Gamma
- Master: Rouge the Bat
- Mazuri: Percival's Beetle
- Chun-nan: Lancelot's Pheonix
- Holoska: Galahad's Moray
- Apotos: Rabbit's Cauldron
- Spagonia: Blacksmith's Devil Ray
- Skyscraper: Gawain's Pheotle
- Adamar: Nimue's Lancer Guardian
- Timeland: Death "Egg" Chaos "Perfect" Egg "Dragoon" Time "Dark" Eater