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Thunder Island

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This location exists primarily or exclusively within the Sonic Boom continuity.
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.

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Sonic Boom: Fire & Ice
Thunder Island

Thunder Island is the seventh[1] level in Sonic Boom: Fire & Ice. It is a small island where Dr. Eggman hosted his racing competitions against Sonic the Hedgehog in an attempt to ruin his speedy nemesis' reputation.

On Thunder Island, players can engage in a basic two-player local play option with the Bot Racing feature, where a player can unlock character themed Bots to challenge friends on fast courses or tracks.[1][2]



Thunder Island's World Map.

Thunder Island is a small desert island of cliffs and canyons with a dust-covered sky. Central to the island is a mobile Bot Racer stadium with a segmented red dome, a grey undercarriage with tracks and pipes, and a frontal bridge with an entrance gate on the right.

The inside of the racing stadium is an ever-changing circuit of technological roads with a modern, yet classic-themed starting/finishing line in blue. Along the roads are suspensions, gears, gas flasks, flaming exhaust pipes and energy fields. In the background, perpetually-moving giant gears and sawblades reside. Along the stadium's dome are also giant windows showing the outside.


Plotting to embarrass Sonic and ruin his reputation as the fastest thing alive, Dr. Eggman established a stadium on Thunder Island for Sonic to lose in against his Ragnium-powered EggBots. Eggman thus took Sonic on a number of forced trips to Thunder Island, only for the hedgehog to beat his bots every time.


Thunder Island has a number of race courses designed solely for the Bot Racing minigame. Gameplay-wise, these courses are much like the adventure levels, except they only include standard gimmicks like Enerbeam Swings, Boost Pads, Bounce Pads, disappearing platforms and water blocks that can be frozen or melted. This means no character-specific gimmicks, like dash blocks and Air Vents.

Sometimes, gimmicks are there to help the racers while others purposely serve as traps, so one cannot use them recklessly. Hazardous obstacles on the circuits include pits with blowtorches or red laser fields and spikes. Touching such obstacles will inflict damage on the player and return the characters to an earlier position.


Bot Racer Workshop

Main article: Bot Racer Workshop

The Bot Racer Workshop is a workstation for Bot Racers that Tails manages. Here, the player can purchase new Bot Racers and upgrades for the playable characters using Ragnium. It becomes available after unlocking Thunder Island.

Bot Racing

Main article: Bot Racing

Bot Racing is the entrance to the feature of the same name. Here, the player can select from one of the unlocked Bot Racers in the game and then participate in either a single-player or two-player Bot Racing minigame. It becomes available after unlocking Thunder Island.


  • Thunder Island is the first case in the Sonic franchise where the last level in the game (albeit not an optional one) can be accessed without going through all the levels preceding it.



  1. 1.0 1.1 Rignall, Jaz (9 June 2015). What's Next for Sonic the Hedgehog (and friends)?. USGamer. Retrieved on 10 June 2015.
  2. Klepek, Patrick (June 9, 2015). Sega's Not Giving Up on Sonic Boom. Kotaku. Retrieved on June 9, 2015.

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