This article concerns continuity on a story-to-story basis. As such, issues may be placed in order of approximate occurence or narrative consistency.
Many events in the past of the IDW universe are shared with that of the Sonic the Hedgehog video games. Please be aware that a games appearance here does not in any way indicate that the events of said game are fully, 100% canon to the IDW Sonic universe. Games are listed in order of real-world release as, for some, their chronological placements in accordance to eachother are unknown. Comic issues in which the game’s events are first referred to are indicated to the side.
- Sonic Adventure (StH: #1)
- Sonic Adventure 2 (StH: #5)
- Sonic Heroes (StH: #1)
- Shadow the Hedgehog (StH: #6)
- Sonic Unleashed (StH: #1)
- Sonic Colors (StH: #3)
- Sonic Generations (StH: #5)
- Sonic Lost World (StH: #3)
- Sonic Forces (StH: #1)
Saga 1: Fallout
- Sonic the Hedgehog: 1-4 ("Fallout")
- Sonic the Hedgehog: 5-6 ("The Fate of Dr. Eggman”)
- Sonic the Hedgehog: 7 ("Meet the New Boss")
- Sonic the Hedgehog: 8 ("Silent Support")