All pages
- Croesus
- Cross Dozer
- Cross Slash
- Cruise Blues
- Crush 40
- Crush 40 (album)
- Cry of the Wolf
- Cryptic Castle
- Crystal Cave
- Crystal Egg Zone
- Crystal Egg Zone boss
- Crystal Frost
- Crystal Head
- Crystal Mountain Zone
- Crystal Ring
- Cubot
- Cucky
- CulTNET
- Cure Master
- Curien Mansion
- Curling Holiday
- Curse of the Cross Eyed Moose
- Cuts Unleashed SA2 Vocal Collection
- Cutthroat Cove
- Cyber Corruption
- Cyber Space
- Cyber Station Zone
- Cyber Station Zone boss
- Cyber Track
- Cyberdyne Systems Mobius
- Cyblaster
- Cyclone
- Cyclone (Sonic Adventure 2)
- Cyclone (Sonic Chronicles)
- Cyclone (Sonic Drift)
- Cyclone Boost
- Cyclone Cannon
- Cyclone Kick
- Cyhammer
- Cyknuckle
- Cyloop
- Cyrus
- D-Fekt
- DDZ
- DD Wrecker
- DEZ
- DXEdit
- Daisuke Ono
- Dan Drazen
- Dan Green
- Dan Nakrosis
- Dangerous Ball Tower (Sonic Mania boss)
- Dango
- Daniel Barnes
- Danny
- Danny Parker interview by Dennis Spielman
- Dark Arsenal
- Dark Arsenal (Team Sonic Racing)
- Dark Bat
- Dark Bat Sniper
- Dark Castle Area
- Dark Chao
- Dark Chao Walker
- Dark Desert
- Dark Eel
- Dark Energy Force Field
- Dark Energy Key
- Dark Fright
- Dark Gaia
- Dark Gaia's Minions
- Dark Gaia Phoenix
- Dark Guardian
- Dark Hollow
- Dark Master
- Dark Moray
- Dark Oak
- Dark Queen
- Dark Reaper
- Dark Rider
- Dark Super Sonic
- Dark Valley
- Darkspine Sonic
- Darren Dunstan
- Darts Shot
- Dash & Spin Chousoku Sonic
- Dave B. Mitchell
- Dave Manak
- David Gonterman
- David Humphrey
- David Mariotte
- David Wills
- Davy Sprocket
- Day of Disaster
- Dead Line
- Deadly Route
- Deadly Six
- Dear Father
- Dear My Friend
- Death Ball
- Death Chamber
- Death Crab
- Death Egg
- Death Egg's Eye
- Death Egg's Hangar
- Death Egg (Death Egg Zone boss)
- Death Egg (Sonic Battle)
- Death Egg (Sonic Drift 2)
- Death Egg (Sonic Forces)
- Death Egg II
- Death Egg Robot
- Death Egg Robot (Sonic Forces boss)
- Death Egg Robot (Sonic Generations boss)
- Death Egg Robot (Sonic Mania boss)
- Death Egg Robot (Sonic the Hedgehog 4 boss)
- Death Egg Saga
- Death Egg Zone
- Death Egg Zone (Sonic & Knuckles)
- Death Egg mk.II Zone
- Death Leech
- Death Ruins
- Death Worm
- Death Yard Zone
- Decoe and Bocoe
- Deem Bristow
- Deep Core
- Deep Nightmare
- Deep Power Stones
- Deep Typhoon
- Deep Woods
- Deeper
- Defective Detectives
- Demo - Sonic Spinball (Ação Games)
- Denizen 1998
- Depths of Danger
- Desert Dazzle
- Desert Dodge
- Desert Palace
- Desert Road
- Desert Ruins
- Desert Ruins (Sonic Lost World 3DS)
- Desert Ruins (Sonic Runners)
- Designated Heroes
- Desperately Seeking Sonic
- Desperately Seeking Sonic (Grosset & Dunlap book)
- Deven Mack
- Devil Doom
- DiC Entertainment
- Diamond Cutters
- Diamond Dust Zone
- Diamond Dust Zone boss
- Diamond in the Sky
- Dig
- Digibase Operations
- Digital Circuit
- Digital Dimension
- Dingo
- Dinosaur Jungle
- Disassemblies
- Discussion with Friends
- Dive Bat
- Dive Eggman
- Dive into the Mellow
- Do Not Disturb
- Doctor's Mine
- Doctor Fukurokov
- Doctor Robotnik's Creature Capture
- Doctor Zachary
- Dodon Pa
- Dohyo Master
- Dolphin Resort
- Dome Sweet Dome
- Don't Judge Me
- Don't Make Me Angry
- Don Fachio
- Don Goddard Sonic 32X game script
- Donna De Lory
- Donna Jay Fulks
- Dorian Kieken interview by PALGN (September 6, 2008)
- Dorigame
- Double Boost
- Double Doomsday
- Double Rivals Attack Pack!
- Double Trouble
- Double Trouble (episode)
- Download-only games featuring Sonic the Hedgehog
- Dr. Babble
- Dr. Crabulous
- Dr. Deep
- Dr. Eggman
- Dr. Eggman's Tomato Sauce
- Dr. Eggman (Sonic the Hedgehog Triple Trouble boss)
- Dr. Eggman Goes to War
- Dr. Ian Droid
- Dr. Ovi Kintobor
- Dr. Robotnik's Mean Bean Machine
- Dr. Robotnik's Mean Bean Machine/Bugs
- Dr. Robotnik's Mean Bean Machine/Comparisons
- Dr. Robotnik's Mean Bean Machine/Hidden content
- Dr. Robotnik's Mean Bean Machine/Magazine articles
- Dr. Robotnik's Mean Bean Machine/Manuals
- Dr. Robotnik's Mean Bean Machine/Region coding
- Dr. Robotnik's Mean Bean Machine/Technical information
- Dr. Robotnik's Mean Bean Machine (8-bit)
- Dr. Robotnik's Mean Bean Machine (8-bit)/Bugs
- Dr. Robotnik's Mean Bean Machine (8-bit)/Hidden content
- Dr. Robotnik's Mean Bean Machine (8-bit)/Magazine articles
- Dr. Robotnik's Mean Bean Machine (8-bit)/Promotional material
- Dr. Robotnik's Mean Bean Machine (prototype)
- Dr. Robotnik's Mean Bean Machine (prototype B)
- Dr. Starline
- Dr. Warpnik
- Dr. Yùndòng
- Dr. Zachary (scener)
- Dragfly
- Dragodon
- Dragogo
- Dragon
- Dragon's Lair
- Dragon Breath
- Dragon Canyon
- Dragon Road
- Dragon Slayer
- Dragonfly
- Dream Factory
- Dream Valley
- Dreamcast Preview - Sonic Adventure 2 (Game Informer, July 2000)
- Dreams Come True
- Dreams of an Absolution
- Dribbler
- Drift
- Drill Claw
- Drill Drive
- Drill Eggman
- Drill Eggman II
- Drill Mobile
- Drill Mole
- Drill Spin Attack
- Drill Spin Boost
- Drillerdroid
- Drillin
- Drillinator
- Drisame
- Drood Henge
- Drop Dash
- Dry Lagoon
- Dual Towers
- Dude, Where's My Eggman?
- Duke of Soleanna
- Dulcy (episode)
- Dulcy the Dragon
- Dummy Ring Blitz
- Dummy Ring Bomb
- Dummy Ring Snipe
- Dunesday
- Dunesday (transcript)
- Duo Pack: Sonic Heroes/Super Monkey Ball 2
- Dust Hill Zone (fan game)
- Dustin Wyatt's Epic Adventure
- Dusty Desert
- Dynamight
- Dynamite Plant
- Dynamo Cage
- E-1000
- E-10000B
- E-10000G
- E-10000R
- E-100 Series
- E-101 β
- E-101mkII
- E-102 Gamma's Story Screen Script
- E-102 γ
- E-103 δ
- E-104 ε
- E-105 ζ
- E-121 Phi
- E-123 Omega
- E-2000
- E-2000R
- E-Series Robots
- E.G.G.M.A.N.
- E.G.G. Station Zone
- EGG-HVC-001
- ERZ
- EVG 2000
- EX Stages
- EX World Grand Prix
- Earth Quake
- Earthia
- Ebony
- Echidna
- Eclipse Cannon
- Edit mode
- Edmund
- Edwin Neal
- Eeliotte
- Egg-Cerberus
- Egg-Genesis
- Egg-Go-Round
- Egg-Wyvern
- EggNet
- Egg & the Chicken
- Egg Albatross
- Egg Armor
- Egg Ball
- Egg Ball No.2
- Egg Balloon
- Egg Beetle
- Egg Bishop
- Egg Blizzard
- Egg Bomber
- Egg Bomber Tank
- Egg Bommer
- Egg Booster
- Egg Breaker
- Egg Bubble
- Egg Bull
- Egg Burst
- Egg Buster
- Egg Cannon
- Egg Carrier
- Egg Carrier (Sonic Adventure)
- Egg Cauldron
- Egg Chaser
- Egg Chaser (Sonic Advance 3)
- Egg Commander
- Egg Conveyor
- Egg Crawler
- Egg Cube
- Egg Dealer
- Egg Dealer (Sonic Rivals 2)
- Egg Destroyer
- Egg Devil Ray
- Egg Dragoon
- Egg Dragoon (Sonic Forces boss)
- Egg Dragoon (Sonic Generations boss)
- Egg Eagle
- Egg Emperor
- Egg Emperor (Sonic Generations 3DS boss)
- Egg Factory
- Egg Falcon
- Egg Fighter
- Egg Fighter Knight
- Egg Fighter Shield
- Egg Fighter Spring
- Egg Fighter Sword