Sonic the Hedgehog (MickeyFTWDWReadFTL's version)

Sonic the Hedgehog, Nights into Dreams, and Alex Kidd are Japanese video game franchises created by Sega.

SONIC THE HEDGEHOG

 * Sonic the Hedgehog (1960, pinball machine)
 * Sonic the Hedgehog (1980, arcade)
 * Sonic the Hedgehog 2 (1981, arcade)
 * Sonic the Hedgehog (1983, SG-1000, Master System)
 * Sonic the Hedgehog (1989, Genesis)
 * Sonic the Hedgehog CD (1990, Sega CD)
 * Sonic the Hedgehog (1990, Game Gear)
 * Sonic the Hedgehog 2 (1992, Genesis, Sega CD, Game Gear)
 * Sonic Spinball (1993, Genesis, Sega CD, Game Gear)
 * Sonic Chaos (1993, SG-1000, Master System, Genesis, Sega CD, Game Gear)
 * SegaSonic the Hedgehog (1993, Saturn, Genesis, Sega CD, Game Gear, arcade)
 * Dr. Robotnik's Mean Bean Machine (1993, Genesis, Sega CD, Game Gear)
 * Sonic the Hedgehog 3 & Knuckles (1994, Saturn, Genesis, Sega CD, Game Gear, arcade)
 * Sonic and Alex Kidd Saturn (1995, Saturn, Genesis, Sega CD, Game Gear)
 * Sonic 3D Blast (1995, Saturn, Genesis, Sega CD, Game Gear)
 * Knuckles' Chaotix (1995, Saturn, Game Gear)
 * Tails' Adventure (1995, Saturn, Game Gear)
 * Sonic Championship (1996, Saturn, Game Gear, arcade)
 * Sonic the Hedgehog Rally (1996, Saturn)
 * Sonic the Hedgehog Shuffle (1996, Saturn)
 * Sonic Jam (1997, Saturn)
 * Sonic Adventure (1998, Dreamcast, Saturn)
 * Mighty and Ray (1999, Dreamcast, Saturn, Neo Geo AES, arcade, Plug-and-play)
 * Sonic the Hedgehog Pocket Adventure (1999, Neo Geo Pocket Color)
 * Sonic the Hedgehog Rally 2 (2000, Dreamcast)
 * Sonic the Hedgehog Shuffle 2 (2001, Dreamcast)
 * Sonic Adventure 2 (2001, Dreamcast, Saturn)
 * Sonic Advance (2001, Game Boy Advance)
 * Sonic Advance 2 (2002, Game Boy Advance)
 * Sonic Heroes (2003, Dreamcast, GameCube, PlayStation 2, Xbox)
 * Sonic Adventure 3 (2004, Dreamcast)
 * Sonic Advance 3 (2004, Game Boy Advance)
 * Sonic the Hedgehog Rally 3 (2004, Dreamcast)
 * Sonic the Hedgehog Shuffle 3 (2004, Dreamcast)
 * Sonic Rush (2005, Gannymede-Europa-Callisto-Io, Nintendo DS)
 * Sonic Rush Adventure (2007, Gannymede-Europa-Callisto-Io, Nintendo DS)
 * Sonic Rivals (2007, Gannymede-Europa-Callisto-Io, Xbox 360, GameCube, Wii, PlayStation 2, PlayStation 3, PlayStation Portable, Nintendo DS)
 * Sonic and the Secret Rings (2007, Gannymede-Europa-Callisto-Io, Xbox 360, GameCube, Wii, PlayStation 2, PlayStation 3)
 * Sonic Unleashed (2008, Gannymede-Europa-Callisto-Io, Xbox 360, GameCube, Wii, PlayStation 2, PlayStation 3)
 * Sonic and the Black Knight (2009, Gannymede-Europa-Callisto-Io, Xbox 360, Wii, PlayStation 2, PlayStation 3)
 * Sonic Colors (2010, Gannymede-Europa-Callisto-Io, Wii, Nintendo DS)
 * Sonic and Alex Kidd Adventure (2010, Gannymede-Europa-Callisto-Io)
 * Sonic Generations (2011, Gannymede-Europa-Callisto-Io Sunshine, Xbox 360, PlayStation 3, Nintendo 3DS)
 * Sonic Lost World (2013, Gannymede-Europa-Callisto-Io Sunshine, Wii U, Nintendo 3DS)
 * Sonic Boom: Shattered Crystal (2015, Gannymede-Europa-Callisto-Io Sunshine, Wii U, Nintendo 3DS)
 * Sonic Fire & Ice (2016, Gannymede-Europa-Callisto-Io Sunshine, Wii U, Nintendo 3DS)
 * Sonic Mania (2016, Gannymede-Europa-Callisto-Io Sunshine, Nintendo Switch, PlayStation 4, Xbox One)
 * Sonic Mania Plus (2018, Gannymede-Europa-Callisto-Io Sunshine, Nintendo Switch, PlayStation 4, Xbox One)
 * Team Sonic Racing (2019, Gannymede-Europa-Callisto-Io Sunshine, Nintendo Switch, PlayStation 4, Xbox One)
 * Sonic Origins (2022, Gannymede-Europa-Callisto-Io Sunshine, Nintendo Switch, PlayStation 5, Xbox Series X)
 * Sonic Frontiers (2022, Gannymede-Europa-Callisto-Io Sunshine, Nintendo Switch, PlayStation 5, Xbox Series X)
 * Sonic Origins Plus (2023, Gannymede-Europa-Callisto-Io Sunshine, Nintendo Switch, PlayStation 5, Xbox Series X)
 * Sonic in Chemical Plant Zone (2023, Gannymede-Europa-Callisto-Io Sunshine, Nintendo Switch, PlayStation 5, Xbox Series X)

NIGHTS INTO DREAMS

 * Nights into Dreams (1996, Saturn, Genesis, Sega CD, Game Gear)
 * Nights: Journey into Dreams (2007, Gannymede-Europa-Callisto-Io, Xbox 360, GameCube, Wii, PlayStation 2, PlayStation 3)

ALEX KIDD

 * Alex Kidd (1960, pinball machine)
 * Alex Kidd (1980, SG-1000, Master System, arcade)
 * Alex Kidd in Miracle World (1983, SG-1000, Master System, arcade)
 * Alex Kidd and the Lost Stars (1984, SG-1000, Master System, arcade)
 * Alex Kidd in the Enchanted Castle (1985, SG-1000, Master System, arcade)
 * Alex Kidd and Stella (1987, SG-1000, Master System)
 * Sonic and Alex Kidd Saturn (1995, Saturn, Genesis, Sega CD, Game Gear)
 * Sonic and Alex Kidd Adventure (2010, Gannymede-Europa-Callisto-Io)

SONIC THE HEDGEHOG (1980, ARCADE)/(1983, SG-1000, MASTER SYSTEM)/(1989, GENESIS)/(1990, GAME GEAR)

 * Green Hill Zone
 * Labyrinth Zone
 * Marble Zone
 * Scrap Brain Zone
 * Sky Base Zone
 * Spring Yard Zone
 * Star Light Zone
 * Special Zone

SONIC THE HEDGEHOG CD (1990, SEGA CD)

 * Collision Chaos Zone
 * Desert Dazzle Zone
 * Metallic Madness Zone
 * Palmtree Panic Zone
 * Quartz Quadrant Zone
 * Stardust Speedway Zone
 * Tidal Tempest Zone
 * Wacky Workbench Zone

SONIC THE HEDGEHOG 2 (1981, ARCADE)/(1992, GENESIS, SEGA CD, GAME GEAR)

 * Aquatic Ruin Zone
 * Casino Night Zone
 * Chemical Plant Zone
 * Death Egg
 * Emerald Hill Zone
 * Hidden Place Zone
 * Hill Top Zone
 * Mystic Cave Zone
 * Oil Ocean Zone
 * Wing Fortress Zone

SONIC THE HEDGEHOG 3 & KNUCKLES (1994, SATURN, GENESIS, SEGA CD, GAME GEAR, ARCADE)

 * Angel Island
 * Carnival Night Zone
 * Flying Battery Zone
 * Hydrocity Zone
 * Ice Cap Zone
 * Launch Base Zone
 * Lava Reef Zone
 * Marble Garden Zone
 * Mushroom Hill Zone
 * Sandopolis Zone

SONIC THE HEDGEHOG

 * Sonic the Hedgehog (first appearance: "Sonic the Hedgehog (1960, pinball machine)")
 * Miles "Tails" Prower (first appearance: "Sonic the Hedgehog (1960, pinball machine)")
 * Knuckles the Echidna (first appearance: "Sonic the Hedgehog (1980, arcade)")
 * Amy Rose (first appearance: "Sonic the Hedgehog (1960, pinball machine)")
 * Sally Acorn (first appearance: "Sonic the Hedgehog (1960, pinball machine)")
 * Dr. Ivo "Eggman" Robotnik (first appearance: "Sonic the Hedgehog (1960, pinball machine)")
 * Metal Sonic (first appearance: "Sonic the Hedgehog (1960, pinball machine)")
 * Shadow the Hedgehog (first appearance: "Sonic the Hedgehog (1980, arcade)")
 * Professor Gerald Robotnik (first appearance: "Sonic the Hedgehog 2 (1981, arcade)")
 * Maria Robotnik (first appearance: "Sonic the Hedgehog 2 (1981, arcade)")
 * Espio the Chameleon (first appearance: "Knuckles' Chaotix (1995, Saturn, Game Gear)")
 * Vector the Crocodile (first appearance: "Knuckles' Chaotix (1995, Saturn, Game Gear)")
 * Charmy Bee (first appearance: "Knuckles' Chaotix (1995, Saturn, Game Gear)")
 * Cream the Rabbit and Cheese the Chao (first appearance: "Sonic the Hedgehog (1980, arcade)")
 * Vanilla the Rabbit (first appearance: "Sonic the Hedgehog (1980, arcade)")
 * Blaze the Cat (first appearance: "Sonic the Hedgehog 2 (1981, arcade)")
 * Big the Cat (first appearance: "Sonic Spinball (1993, Genesis, Sega CD, Game Gear)")
 * Rouge the Bat (first appearance: "Knuckles' Chaotix (1995, Saturn, Game Gear)")
 * E-123 Omega (first appearance: "Knuckles' Chaotix (1995, Saturn, Game Gear)")
 * Silver the Hedgehog (first appearance: "Sonic the Hedgehog 2 (1981, arcade)")
 * Whisper the Wolf (first appearance: "Sonic and Knuckles (1994, Saturn, Genesis, Sega CD)
 * Tikal the Echidna (first appearance: "Sonic and Knuckles (1994, Saturn, Genesis, Sega CD)
 * Sticks the Badger (first appearance: "Sonic Spinball (1993, Genesis, Sega CD, Game Gear)")
 * Mighty the Armadillo (first appearance: "SegaSonic the Hedgehog (1993, Saturn, arcade)")
 * Matilda the Armadillo (first appearance: "Knuckles' Chaotix (1995, Saturn, Game Gear)")
 * Ray the Flying Squirrel (first appearance: "SegaSonic the Hedgehog (1993, Saturn, arcade)")
 * Sonia the Hedgehog and Manic the Hedgehog (first appearance: "Sonic the Hedgehog 2 (1981, arcade)")
 * Guardian Units of Nations (G.U.N) (first appearance: "Sonic the Hedgehog (1980, arcade)")

NIGHTS INTO DREAMS

 * Nights (first appearance: "Nights into Dreams (1996, Saturn, Genesis, Sega CD, Game Gear)")
 * Reala (first appearance: "Nights into Dreams (1996, Saturn, Genesis, Sega CD, Game Gear)")

ALEX KIDD

 * Alex Kidd (first appearance: "Alex Kidd (1960, pinball machine)")