▲
1
▼
Initially, Ian Flynn claimed the events of the game were non-canon. However, he later went back on this, claiming that the game was indeed canon.
Initial statement:
https://twitter.com/IanFlynnBKC/status/1118241354667184128
Second statement:
https://www.youtube.com/watch?v=fjatMPDt_Cw&t=3002s
https://twitter.com/IanFlynnBKC/status/1118241354667184128
Second statement:
https://www.youtube.com/watch?v=fjatMPDt_Cw&t=3002s
▲
1
▼

▲
1
▼
The game files include an unused version of the theme for The Machine, during development it shared music with Showdown, and the unused music is from an unfinished prototype.
▲
1
▼
In the European release, the Options menu music was changed to be much faster when compared to its US & Japanese counterparts.
▲
1
▼
This is the only Sonic game to feature characters originally created for the 1993 animated series "Sonic the Hedgehog" (also known as Sonic SATAM), and by extension the Archie Comics series developed concurrently with the show.
▲
1
▼
In the initial US version of Sonic Spinball, the game uses the Sonic theme for the title screen, and a remix of the Game Over music for when the player gets a Game Over. They were replaced with new music in subsequent releases because Sega did not actually own the rights to those songs.
Related Games
Sonic Advance
Sonic Generations
Sonic Labyrinth
Sonic Advance 3
Sonic and the Secret Rings
Sonic Forces
Sonic Mars
Sonic Unleashed
Sonic Adventure 2: Battle
Sonic Shuffle
Sonic Battle
Sonic Blast
Knuckles' Chaotix
Sonic Lost World
Sonic Rivals 2
Sonic Colors
Team Sonic Racing
Sonic Championship
Sonic the Hedgehog 2
Sonic Generations
Sonic the Hedgehog 4: Episode I
Sonic Heroes
Sonic the Hedgehog 3
Sonic the Hedgehog
Mario & Sonic at the Olympic Games
Sonic Adventure 2
Sonic & Knuckles
Sonic the Hedgehog
Sonic the Hedgehog 4: Episode II
Sonic Frontiers
Dr. Robotnik's Mean Bean Machine
Sonic the Hedgehog Extreme
Sonic the Hedgehog Chaos
Sonic Mania
Sonic Rush
Sonic X-treme
Sonic Chronicles: The Dark Brotherhood
Sonic the Hedgehog Pocket Adventure
Sonic the Hedgehog Genesis
Sonic Lost World
Sonic Rivals
Sonic CD
Sonic Adventure
Sonic the Fighters
Sonic Boom: Rise of Lyric
Sonic Dash
Sonic Superstars
Sonic the Hedgehog
Sonic Adventure DX: Director's Cut
Sonic the Hedgehog: Triple Trouble