All pages
- Preview - Sonic the Hedgehog 2 (MegaTech, 1992)
- Preview - Sonic the Hedgehog 2 (Megaforce, October 1992)
- Preview - Sonic the Hedgehog CD (Megaforce, October 1993)
- Previews - Sonic the Hedgehog 3 (Consoles Plus, January 1994)
- Prim Rouge
- Prima's Official Strategy Guide: Sonic Advance 2
- Prima's Official Strategy Guide: Sonic Heroes
- Prince Charnok
- Princess Elise
- Princess Elise The Third
- Princess Elise the Third
- Princess Sally
- Princess Sally 1 (Archie Mini-Series)
- Princess Sally 2 (Archie Mini-Series)
- Princess Sally 3 (Archie Mini-Series)
- Princess Sally Acorn
- Princess Tiara
- Prison Capsule
- Prison Egg
- Prison Hall
- Prison Island
- Prison Island (Shadow the Hedgehog)
- Prison Lane
- Prize Fights
- Prize game
- ProReview - Sonic & Knuckles (GamePro, November 1994)
- ProReview - Sonic Advance 2 (GamePro)
- ProReview - Sonic the Hedgehog (Gamepro, March 1992)
- ProSonic
- Pro Action Replay
- Pro Action Replay (Game Gear)
- Pro Review - Sonic the Hedgehog (GamePro, June 1991)
- Pro Review - Sonic the Hedgehog (GamePro, March 1992)
- Pro Review - Sonic the Hedgehog (Sega Pro, December 1994)
- Procurator Shade
- Prof. Gerald
- Prof. Gerald's Journal (Sonic Battle)
- Prof. Gerald Robotnik
- Prof. Pickle
- Professor Gerald
- Professor Gerald Robotnik
- Professor I.O. Jenkins and the Boominites
- Professor Kintobor
- Professor Pickle
- Professor Von Schlemmer
- Programs by Category
- Programs by System
- Project - Shadow
- Project Condor
- Project H'
- Project Mettrix
- Project Needlemouse
- Project Nemesis
- Project Rub
- Project Shadow
- Project Shadow 2
- Project Sonic
- Project Sonic 1: Two-Eight
- Project Sonic 2017
- Prologue to World Conquest
- Promise of a Far-Off Day
- Proof of Existence
- Propeller Flight
- Propeller Flying
- Propeller Hammer
- Propeller Shoes
- Prosonic
- Protective Armor
- Protector of the Ashen Moon
- Prototype
- Prototype Zones
- Prototype Zones/Casino Night
- Prototype Zones/Chemical Plant
- Prototype Zones/Death Egg
- Prototype Zones/Dust Hill
- Prototype Zones/Emerald Hill
- Prototype Zones/Genocide City
- Prototype Zones/Green Hill
- Prototype Zones/Hidden Palace
- Prototype Zones/Hill Top
- Prototype Zones/Labyrinth
- Prototype Zones/Metropolis
- Prototype Zones/Neo Green Hill
- Prototype Zones/Oil Ocean
- Prototype Zones/Wood
- Prototypes - Sonic 3 (Gamemaster, Issue 14)
- Prototypes - Sonic 3 (GamesMaster, Issue 14)
- Prove - Sonic the Hedgehog 2 (Game Power, November 1992)
- Prower
- Pseudo Sonic
- Psychic Sonic
- PsychoZagal
- Psychokinesis
- Psychokinetic
- Ptera
- Pulsating Supercurrent
- Pulse-code modulation
- Pumpkin Hill
- Pumpkin ghost
- Pumpkin ghosts
- Punisher of Love
- Punishment, Thy Name is Ruin
- Punishment in Jet Black
- Puppet Panic Zone
- Puppet Tails
- Pure Ark
- Pure Chaos
- Purification via Ruination
- Purple Chaos GP
- Puyo Puyo
- Puyo Puyo! Sega
- Puyo Puyo 7
- Puyoyo
- Pyramid Cave
- Pyraz
- QDB
- QQZ
- QQ Badnik
- QTE
- Q and A - Sonic the Hedgehog (Mean Machines, August 1991)
- Quake Cave
- Quartz Quadrant
- Quartz Quadrant Zone
- Queen Aleena
- Queen Aleena Hedgehog
- Queen Alena Hedgehog
- Quick-Time Events
- Quick-time event
- Quick Cyloop
- Quick Step
- Quick index
- Quill Powered Weapons
- Quinton Flynn
- Quozl
- R-1/A FLYING DOG
- R.O.C.C.
- R2
- R2 Badnik 1
- R2 Badnik 2
- R2 Badnik 3
- R2 Boss
- R3RE
- R3RE8P
- R3RP
- R3RP8P
- R99 Badnik 1
- R9Z
- RAM
- RELS
- RELSAB
- RENE
- RENE8P
- RENJ
- RENJ8P
- RENP
- RENP8P
- RF
- RF modulator
- RISC
- RNC
- ROCC
- ROLE
- ROLE8P
- ROLJ
- ROLJ01
- ROLK
- ROLK01
- ROLP
- ROLP8P
- ROM
- ROM Hacking
- ROM hack
- ROM hacking
- RRZ
- RS9E
- RS9E8P
- RS9J
- RS9J8P
- RS9P
- RS9P8P
- RSBE
- RSBE01
- RSBJ
- RSBJ01
- RSBK
- RSBK01
- RSBP
- RSBP01
- RSN
- RSN IRC channel
- RSRE
- RSRE8P
- RSRJ
- RSRJ8P
- RSRP
- RSRP8P
- RSVE
- RSVE8P
- RSVJ
- RSVJ8P
- RSVP
- RSVP8P
- RT5E
- RT5E8P
- RT5P
- RT5P8P
- RVZ
- RVZ Badnik
- RWSE
- RWSE8P
- RWSJ
- RWSJ01
- RWSK
- RWSK01
- RWSP
- RWSP8P
- RWZ
- RXL
- RXL Format
- Rabbit
- Rabibin
- Raccoon
- Race of AGES
- Race to Win
- Rachel
- Racing
- Racjin
- RadPal
- Rad Mobile
- Radial Burst
- Radiant Emerald
- Radica
- Radical City
- Radical Highway
- Radical Highway (Sonic Generations 3DS)
- Radical Train
- Radu
- Rafa Knight
- Rafael Alonso Naranjo Jr.
- RagnaBot
- Ragna Rock
- Rail Canyon
- Rail Canyon (Sonic Heroes)
- Rail Canyon (Tails' Skypatrol)
- Rail Canyon (program)
- Rail Canyon Area
- Rainbow Ring
- Rainy Savanna
- Rampart Road
- RandomSonicNet
- Random Sonic Net
- Rank
- Rapid Climb
- Rapid Crab
- Rapid Fire Unit
- Rapid Tails Attack
- Rat.org
- Ratman221
- Rattlekiller
- Rava the Destroyer
- Rave - Sonic the Hedgehog (Raze, September 1991)
- Ray
- Ray Muzyka
- Ray Muzyka interview by CVG (May 12, 2008)
- Ray in Sonic 1
- Ray the Flying Squirrel
- Ray the Flying Squirrel in Sonic the Hedgehog
- Ray the Squirrel
- Rchan
- Rchannel
- Reach For The Stars
- Reach for the Stars
- Reactive Factory
- Ready to Role (Nintendo Power, February 2008)
- RealOne Arcade
- Realization While On Board
- Really Amateur Games Expo
- Realtime Associates
- Rebecca Handler
- Rebecca Honig
- Rebel Rouge
- Reborn Along with Sorrow
- Reborn Hatred for Humanity
- Reclaimed Heart
- Recovery Smash
- Red Barrier
- Red Canyon
- Red Deep Nightmare
- Red Eye
- Red Fright
- Red Fruit
- Red Gate Bridge
- Red Hot Sonic 2
- Red Killer Bee
- Red Mountain
- Red Nightmare
- Red Orbs
- Red Pillar
- Red Pine
- Red Rex
- Red Rings
- Red Sands
- Red Shield
- Red Star Ring
- Red Titan
- Red Volcano Zone
- Red Volcano Zone boss
- Red Wisps
- Redemption game
- Redlocks
- Reducite
- Redz
- References to Sonic
- References to Sonic in art
- References to Sonic in film, television, and printed media
- References to Sonic in film and television
- References to Sonic in medicine
- References to Sonic in militaries
- References to Sonic in music
- References to Sonic in print
- References to Sonic in sports
- References to Sonic in video games
- References to Sonic on the internet
- Refreshinator
- Regal Ruin
- Regen
- Regional lockout
- Reiko Kodama
- Relief
- Reloaded Mod Loader
- Remix Factory
- Remote Robot
- Renato Novara
- Renegade Knucks
- Renzoku Bound
- Replica’s Depression
- Requiem for a Fallen Angel
- Requiem for the Heavens
- Rescue Rings - Sonic the Hedgehog (Video Games, February 1991)
- Researcher
- Resolution
- Resort Island
- Retribution Against Humanity
- Retro-Orbital Chaos Compressor
- RetroDrive