Mainline games (console)
'91 | 2 | CD | 3 (& Knuckles) | 3D Blast | Adventure | Adventure 2 | Heroes | 2006 | Unleashed | 4 (Episode I · Episode II · Episode Metal) | Colors | Generations | Lost World | Mania | Forces | Frontiers | Superstars
Mainline games (handheld)
'91 | 2 | Chaos | Triple Trouble | Blast | Pocket Adventure | Advance (2 · 3) | Rush (Adventure) | Colors | Generations | Lost World
Spin-off games (platformers)
Knuckles' Chaotix | Tails Adventure | Shadow the Hedgehog | Rivals (2) | Storybook Series (Secret Rings · Black Knight) | Sonic Boom (Rise of Lyric · Shattered Crystal · Fire & Ice)
Spin-off games (racing)
Drift (2) | R | Riders (Zero Gravity · Free Riders) | All-Stars Racing (Transformed) | Sonic Racing (Team · CrossWorlds)
Spin-off games (other)
Spinball | Dr. Robotnik's Mean Bean Machine | Tails' Skypatrol | Labyrinth | Shuffle | Pinball Party | Battle | Chronicles: The Dark Brotherhood | Speed Simulator | The Murder of Sonic the Hedgehog
Arcade
Flicky | Waku Waku Sonic Patrol Car | UFO SegaSonic | SegaSonic Cosmo Fighter | SegaSonic Popcorn Shop | SegaSonic the Hedgehog | Air Circus | Curling Holiday | Space Tours | SegaSonic Cotton Candy Scramble | Sonic the Fighters | & Tails Spinner | CR | Live! | Spinner | Sonic Allstars (Sports Air Hockey · Sports Basketball · Sports Kids Basketball · Sports Quad Air) | & Sega All-Stars Racing Arcade | Athletics | Ghost Shooting | Brain Ranking | Dash Extreme | Blast Ball | Rio 2016 Olympic Games Arcade Edition | Tokyo 2020 - Arcade Edition
Mobile games (Sonic Cafe & Puyo Puyo! Sega)
Sonic the Hedgehog | Tennis | Golf (Golf C-Mode Cup) | Speed | Fishing | Billiards | Nakayoshi Chao! | Bowling | Racing Kart | Eggman no Kazuate Panic! | no Jirai Sagashi Game | Racing Shift Up | Putter | Darts | Reversi | Tails no Flying Get | Speed DX | Hopping | Hopping 2 | Hearts | Panel Puzzle | Gammon | no Daifuugou | Jump | Reversi Hyper | Amy no Page One | Kart 3DX | Shadow Shoot | Sonic Speed DX | Golf 3D | no 7 Narabe | no Napoleon | no Jigen Ressha | no Casino Poker | Dash Quiz | Putter (2009) | Bowling (2009) | Tegaki Sonic (Jump · & Tails Kūchū Sanpo) | Golf DX | Tennis DX
Mobile games
Golf | at the Olympic Games (2008) | at the Olympic Winter Games | Cricket | Jump (Fever) | Dash (S · Boom · Club · + · Prime) | Runners (Adventure) | Forces: Speed Battle | Racing | at the Olympic Games (2020) | Dream Team | Eurospinball | Rumble Party
Alternate versions
Tiger Electronics (Sonic the Hedgehog · 2 · 3 · Spinball) | Jam (Game.com) | Adventure 2: Battle | Spinball (Life Savers) | Adventure DX: Director's Cut | SonicN | Genesis | Colors: Ultimate | X Shadow Generations
Compilations
Compilation | 2 in 1 | Mega 6 Vol. 3 | 6-Pak | & Knuckles Collection | Jam | Mega Games 10 | & Garfield Pack | Sega Smash Pack | Sega Puzzle Pack | Sega Smash Pack 2 | Sonic Collector's Edition | Mega Collection (Plus) | 2 Games in 1 | Gems Collection | Adventure 2-Pack | Sega Genesis Collection | Chaos & Spinball | Sega Fun Pack | Sonic PC Collection | Sonic's Ultimate Genesis Collection | Classic Collection | Sega 3D Classics Collection | Origins (Plus)
Crossover games
Billy Hatcher and the Giant Egg | Sega Superstars | Super Smash Bros. Brawl | Sega Superstars Tennis | Sega Splash! Golf | Pac-Man + Tournaments | Angry Birds Epic | Super Smash Bros. for Nintendo 3DS/Wii U | Lego Dimensions | Angry Birds Friends | Angry Birds 2 | Angry Birds Dream Blast | Sega Heroes | Sega Slots | Super Smash Bros. Ultimate | Minecraft DLC | Super Monkey Ball Banana Rumble | Rocket League | Fortnite | The Battle Cats | Squad Busters | Pac-Man World 2 Re-Pac
Mario & Sonic at the Olympic Games
Beijing 2008 | Vancouver 2010 | London 2012 | Sochi 2014 | Rio 2016 | Tokyo 2020
Other games
Puzzle Construction | Eraser | Amazing Sonic | Blast | Gameworld | Tails and the Music Maker | Wacky World's Creativity Studio | The Screen Saver | Schoolhouse | Sonic's Bonus Game | X | Heroes Puzzle | Mega Collection Plus Mini | Broad Jump | Snake | XS | Shadow XS | Shadow the Hedgehog Flash | CHAOS CRUSH! | Rivals Dash | Maze Craze | Rush Adventure Flash | Didj | Knight In Training | Level Creator | Tweet | x Vapor | Boom: Link 'N Smash! | Sega Streaming Theater Sonic Edition | Speed Sphere Challenge
Tabletop games
3D Action Game | Crash Course | Dice Rush | Battle Racers | The Card Game | Chaos Control Game | Super Spinners | Super Teams | Roll | Amy Rose’s Fortune Card Deck | Speed Battle | Knock
Cancelled
Edusoft | SegaSonic Bros. | Sonic-16 | Astropede | Ride | Saturn | X-treme | Extreme
Upcoming
Sonic Blitz | Sonic Pico Park

Television animated series
Adventures of Sonic the Hedgehog (Sonic Christmas Blast) | Sonic the Hedgehog | Sonic Underground | Sonic X | Sonic Boom | Sonic Prime
Web series
Sonic Mania Adventures | Team Sonic Racing Overdrive | Sonic Colors: Rise of the Wisps | TailsTube | Sonic Speed Strats Series (Origins · Frontiers · Superstars · Racing: CrossWorlds) | Sonic & Friends | Sonic X Shadow Generations: Dark Beginnings | Chao Tales
Shorts and original video animation
Sonic the Animation | Sonic the Hedgehog: The Movie | Night of the Werehog | Chao in Space | Frontiers Prologue: Divergence | Superstars: Trio of Trouble

Live-action/CGI feature franchise¹
Theatrical films: Sonic the Hedgehog | Sonic the Hedgehog 2 | Sonic the Hedgehog 3
Television series: Knuckles
Upcoming: Sonic the Hedgehog 4

Manga
Sonic the Hedgehog | The Adventures of SONIC the Hedgehog | Dash & Spin Super Fast Sonic | The Jet Black Hedgehog: Shadow the Hedgehog | Sonic X Shadow Generations X Chao | Sonic and the Blade of Courage | Sonic the Hedgehog: Blue Racer
Fleetway Editions
Sonic the Comic | Sonic the Poster Mag | Sonic Summer Special | Knuckles Knock-Out Special | Total Sonic Special
Archie Comics
Sonic the Hedgehog | Knuckles the Echidna | Sonic Universe | Archives | Single Issues | Sonic Super Special | Sonic Super Digest
IDW Publishing
Sonic the Hedgehog | Tangle & Whisper | Bad Guys | Imposter Syndrome | Scrapnik Island | 900th Adventure | Winter Jam | Fang the Hunter | Spring Broken! | Chasing Shadows
Digital comics
Sonic Comic | Sonic Forces | Frontiers Prologue: Convergence | Superstars: Fang's Big Break
Other print media
The Adventures of Sonic & Donut Lord | The Official Movie Pre-Quil | Encyclo-speed-ia | The Official Cookbook

Events
Sonic Adventure Tokyo International Forum | Sonic Birthday Party | Sonic Party 2002 Summer Festival | Sonic Party 2003 Summer Festival | Summer of Sonic | Sonic Boom | Sonic Generations of Skate | Sonic 2020 | Sonic Central | Sonic the Hedgehog 30th Anniversary Symphony | Fast. Friends. Forever. | Sonic Square | Sonic Symphony World Tour | Fearless: Year of Shadow | Sonic the Hedgehog at Topgolf | Sonic's Rising Athletes | Racing Around the World | Project ONSOKU | Speed of Sound featuring Johnny Gioeli | SONIC - LIVE! | Sonic Live in Concert

Soundtracks
Sonic the Hedgehog Boom | Sonic R Original Soundtrack | Sonic the Hedgehog Original Soundtrack | Planetary Pieces: Sonic World Adventure Original Soundtrack | Blue Blur: Sonic Generations Original Soundtrack | Sonic Frontiers Original Soundtrack | Sonic Racing: CrossWorlds Original Soundtrack - Echoes of Dimensions

Crossovers
Sonic & Mega Man: Worlds Collide | Lego Sonic the Hedgehog | DC x Sonic the Hedgehog | Sonic the Hedgehog X Godzilla

Fictional entities
Eggman Empire | Chao in Space | G.U.N. | HEXAeco | Tailgator

Miscellaneous
Sonic Says | Lock-On Technology | Sonic the Hedgehog Bar | Ristar | Sonic: Wonders of the World | Nights into Dreams... (Christmas · Journey of Dreams) | Project Sonic | Sonic Bowl | Chao Adventure | Samba de Amigo | Crush 40 | Soap | Chao Adventure 2 | Sonic Factory | Tiny Chao Garden | Minitoy | Sonic Central | Sonic Channel | Sonic-City.com | Hedgehog Engine | Sonic Spinball | Así Se Juega: Mario & Sonic en Londres 2012 - Juegos Olímpicos | Sonic Station Live! | Sonic Carnival | Sonic Official | Sonic Ring Series | Speed Cafe (Fast Dogs) | Sonic English Challenge | Sonic the Hedgehog Presents: The Chaotix Casefiles | Sonic Speedtrap

¹ Produced and distributed by Paramount Pictures.

Main: '91 | '92 | Tsu | Sun | ~N | Fever | Chu! | 7
Side: BOX | Puyo Pop | 15th | 20th | Quest (Arcade) | Puyo Puyo Tetris | Touch | Chronicle | eSports/Champions | Puyo Puyo Tetris 2
Nazo: Nazo Puyo | 2 | Arle no Roux | Rulue no Roux | Tetsuwan Hanjouki
Spin-Off: Dr. Robotnik's Mean Bean Machine | Kirby's Avalanche | Qwirks | Waku Puyo Dungeon | DA! | Puyo Puyo Gaiden | Arle no Bouken: Mahou no Jewel | Type da Puyo Puyo | Kidou Gekidan Haro Ichiza: Haro no Puyo Puyo | 39! | Cranky Food Friends | Puzzle Pop
Game Modifications: VS | Touhou Puyo Puyo