Sonic the Hedgehog 4: Episode I


General	Characters: Dr. Robotnik • Cool Meme Team • Sonic.exe • Tails Doll Meme: Totino's
Events	Sonic the Hedgehog 25th Anniversary • Maki Nishikino's Birthday 2018 • Maki Nishikino's Birthday 2020 • Sonic Mania 3rd Anniversary • Sonic Arcade 25th Anniversary • Maki Nishikino's Birthday 2021
Albums	7 Somari Dad • CD Grand Beta • Totino's Mania Original Soundtrack
Frequently ripped tracks	Back 2 Back • Chemical Plant Zone • E.G.G.M.A.N. • Grand Metropolis • Green Hill Zone • IceCap Zone (Act 1) • Live and Learn • Mystic Mansion • Stardust Speedway Bad Future (JPN/PAL) • Unknown from M.E.
Playlists
Main series	Console: Sonic the Hedgehog • 2 • CD • 3 & Knuckles • 3D Blast • Adventure • Adventure 2 • Heroes • 2006 • Unleashed • 4: Episode I • Colors (Wii) • Generations • 4: Episode II • Lost World • Mania (Plus) • Forces Handheld: Sonic the Hedgehog (Game Gear/Master System) • 2 • Chaos • Triple Trouble • Blast • Pocket Adventure • Advance • 2 • 3 • Rush • Adventure • Colors (DS)
Spin-offs	Platformers Storybook: Secret Rings • Black Knight Sonic Boom: Rise of Lyric Other: Knuckles' Chaotix • Shadow the Hedgehog • Rivals 2 Racing: Drift • R • Riders • Free Riders • SEGA All-Stars Racing (DS) • All-Stars Racing Transformed • Team Racing Mario & Sonic: at the Olympic Games • London 2012 • Sochi 2014 • Rio 2016 Mobile: Runners • Angry Birds Dash Epic • Forces: Speed Battle Compilations: Jam Other: Schoolhouse • Spinball • Dr. Robotnik's Mean Bean Machine • Labyrinth • Fighters • Pinball Party • Battle • X • Chronicles: The Dark Brotherhood • Big's Big Fishing Adventure 3
Related	Sonic 25th Anniversary Party
Crossovers	NiGHTS: Into Dreams • Journey of Dreams Super Smash Bros.: Brawl • for Wii U & 3DS (3DS • for Wii U) • Ultimate Other: LEGO Dimensions • Ninjala
Fake games	Adventures of Sonic the Hedgehog • Adventure 3 • Shadow and the Snow Queen • 2: Special Edition • at the Tokyo 2020 Olympic Games • The Real Housewives of Orange County & Knuckles
Fan games	Somari • sonic.exe • Green Hill Paradise: Act 2 • Project Survival • Time Twisted • Before the Sequel • After the Sequel • Before, After & During the Sequel • Robo Blast 2 • Robo Blast 2 (v2.2) • Totino's Mania • Hysteria

Sonic the Hedgehog 4: Episode I is a game developed by Dimps with assistance from Sonic Team, and it was published by Sega. The game's composer is Jun Senoue.