Sonic the Hedgehog

Console
Sonic The Hedgehog (1991) | 2 | CD | 3 | Sonic & Knuckles | 3D Blast | Adventure | Adventure 2 | Heroes | Sonic the Hedgehog (2006) | Unleashed | 4: Episode I | Colors | Generations | 4: Episode II | Lost World | Mania | Forces

Handheld
Sonic the Hedgehog | 2 | Chaos | Triple Trouble | Blast | Pocket Adventure | Advance | Advance 2 | Advance 3 | Rush | Rush Adventure

Spin-offs

Platformers

Sonic Boom
Rise of Lyric | Shattered Crystal | Fire & Ice

Other
Knuckles' Chaotix | Tails Adventure | Shadow the Hedgehog | Rivals | Secret Rings | Rivals 2 | Black Knight

Racing
Drift | Drift 2 | R | Riders | Riders: Zero Gravity | All-Stars Racing | Free Riders | All-Stars Racing Transformed | Team Sonic Racing

Mario & Sonic
Mario & Sonic at the Olympic Games | Olympic Winter Games | London 2012 Olympic Games | Sochi 2014 Olympic Winter Games | Rio 2016 Olympic Games

Mobile
Jump (Fever) | Dash | 2: Sonic Boom | Runners | Runners Adventure

Other
SegaSonic the Hedgehog | Spinball | Dr. Robotnik's Mean Bean Machine | Sonic Labyrinth | Sonic the Fighters | Sonic Shuffle | Pinball Party | Battle | Chronicles: The Dark Brotherhood

Cancelled games
Sonic X-treme

Animation
Adventures of Sonic | Sonic the Hedgehog (TV series) | OVA | Underground | X | Boom | Feature Film

Printed media
Sonic the Hedgehog (Archie Comics) | Sonic the Hedgehog (IDW Publishing)

V • T • E  Sega Holdings

Part of Sega Sammy Holdings Sega (Others) | Sega Games | Sonic Team | Sega Toys Defunct Sega Sports | SegaSoft | Deep Water | Sega Technical Institute Hardware Arcade systems Mega-Tech | Sega System 32 | Mega-Play | Sega ST-V | NAOMI (Hikaru | NAOMI 2) | Triforce | RingEdge (RingWide | RingEdge 2) | Nu Consoles SG-1000 | Master System | Mega Drive (Mega CD | 32X) | Saturn | Dreamcast Handhelds Game Gear | Nomad (Mega Jet) | VMU Educational consoles Pico | Advanced Pico Beena Other Vision | Sega Genesis Mini Franchises 7th Dragon | After Burner | Alex Kidd | Bonanza Bros. | Border Break | Columns Company of Heroes | Crazy Taxi | Daytona USA | Derby Owners Club | Dinosaur King | Doki Doki Penguin Land | Dragon Force | Ecco the Dolphin | Endless Space | Eastside Hockey Manager | Fantasy Zone | Fighting Vipers | Football Manager | Golden Axe | Guardian Heroes | Gunstar Heroes | Hang-On | Hatsune Miku: Project DIVA | Head On | Hero Bank | Herzog | Illusion | Jet Set Radio | Love and Berry | Monaco GP | Mushiking: The King of Beetles | Nights | Out Run | Panzer Dragoon | Pengo | Phantasy Star | Puyo Puyo | Rolan's Curse | Sakura Wars | Sangokushi Taisen | Sega All-Stars | Sega Bass Fishing | Sega GT | Sega Rally | Shenmue | Shining | Shinobi | Sonic The Hedgehog | Space Channel 5 | Space Harrier | Starhorse | Streets of Rage | Super Monkey Ball | The House of the Dead | Thunder Blade | Thunder Force | Total War | Valkyria Chronicles | Vectorman | Virtua Cop | Virtua Fighter | Virtua Striker | Virtua Tennis | Virtual On | Warhammer 40,000: Dawn of War | World Club Champion Football | Yakuza | Zaxxon

Subsidiaries
Sammy Corporation | Atlus | TMS Entertainment | Creative Assembly | Relic Entertainment | Marza Animation Planet

Atlus Franchises
Dept. Heaven | Etrian Odyssey | Growlanser | Kwirk | Megami Tensei (Devil Children | Last Bible | Majin Tensei | Persona) | Power Instinct | Rock of Ages | Snowboard Kids | Trauma Center