Sonic Mania 2

Sonic Mania 2 is an upcoming sequel of Sonic Mania.

Plot
Following the events of Sonic Mania Adventures,

Items

 * Air Bubbles
 * Chaos Emeralds
 * Giant Rings
 * Item Boxes
 * Blue Shield
 * Bubble Shield
 * Eggman Mark
 * Fire Shield
 * Hyper Ring
 * Invincible
 * Lightning Shield
 * Power Sneakers
 * Ultra Sheild
 * Rings
 * Snowboard
 * Super Emeralds

Gimmicks and obstacles

 * Flipper
 * Jump Panel
 * Love Tester
 * Springs

Playable characters

 * Sonic the Hedgehog
 * Hyper Sonic
 * Super Sonic
 * Miles "Tails" Prower
 * Hyper Sonic
 * Super Tails
 * Knuckles the Echidna
 * Hyper Knuckles
 * Mighty the Armadillo
 * Super Mighty
 * Ray the Flying Squrriel
 * Super Ray
 * Amy Rose
 * Vector the Crocodile
 * Espio the Chameleon
 * Charmy Bee

Non-playable characters

 * Dr. Eggman
 * Snively
 * King Acorn
 * Animals
 * Canary
 * Dove
 * Fishy
 * Pecky
 * Picky
 * Rocky
 * Seagull
 * Sheepy
 * Swallow
 * Max the Monkey
 * Mach the Rabbit
 * Sharps the Parakeet
 * Heavy the Robot (Cameo)
 * Bomb (Cameo)

Enemies

 * Cluckbird
 * Krondor
 * Magma Worm
 * Rexxon
 * SWAT
 * Bot
 * Commander
 * Dog
 * Hover
 * Mk. II
 * Officer

Mini-bosses

 * Egg Janken

Zone bosses

 * Shredder
 * Bomb Mobile
 * Thunder Mobile
 * Heavy Shinobi
 * Heavy Rider
 * Phantom King
 * Spider Mobile
 * Demon Egg
 * Piston Mk. 2
 * Egg Ball
 * Bean the Dynamyte
 * Eggman 1
 * Eggman 2
 * Death Egg Robot

Zones

 * Turquoise Hill Zone (Zone 1)
 * Aquatic Ruin Zone (Zone 2)
 * Waterfall Bridge Zone (Zone 3)
 * Sandopolis Zone (Zone 4)
 * Coo-Koo Conundrums Zone (Zone 5)
 * Labyrinth Zone (Zone 6)
 * Carnival Night Zone (Zone 7)
 * Radical City (Zone 8)
 * Metropolis Zone (Zone 9)
 * Mushroom Hill Zone (Zone 10)
 * Wacky Workbench Zone (Zone 11)
 * Doomsday Zone (Zone 12)
 * Star Light Zone (Zone 13)
 * Death Egg Zone (Zone 14)