Sonic and Tails arrive on Angel Island just as the Hard Boiled Heavies excavate the source of the signal, a mysterious gemstone known as the ' Phantom Ruby', from the ground. Sonic and Tails witnessing the Hard Boiled Heavies extract the Phantom Ruby. Realizing it could be a source of unspeakable power, Eggman immediately dispatches his elite robot minions―a group of five elite Egg-Robos known as the Hard Boiled Heavies―to retrieve it. Eggman, having discovered the dimensional breach, has detected this energy signature too. Sonic and Tails thus head to Angel Island in the Tornado. Despite not being the Chaos Emeralds, this reading is remarkably powerful, and Tails convinces Sonic to investigate it with him. While he and Sonic are relaxing, Tails picks up this odd energy reading. Spoiler warning: Plot, ending details or any kind of information follow.Īfter Sonic the Hedgehog and Miles 'Tails' Prower saved Angel Island, a sudden dimensional breach occurs in the atmosphere, causing a unique energy wave signature to appear on Angel Island.

Sonic Mania Plus includes the return of Mighty the Armadillo and Ray the Flying Squirrel as playable characters, as well as a 4-player Competition Mode and 'Encore Mode'. Downloadable content to the base game, titled 'Encore DLC', was released alongside the physical version. A definitive version of the game, titled Sonic Mania Plus, was released on 17 July 2018.

The game saw a physical release for Nintendo Switch, Xbox One, and PlayStation 4 on 5 November 2019. The game was announced on 22 July 2016 and released digitally on 15 August 2017 for Nintendo Switch, Xbox One, and PlayStation 4, and on 29 August 2017 for PC. The game emulates the gameplay and 2D sprite animation of the original Sega Mega Drive Sonic games. Sonic Mania was developed by Christian Whitehead, who had previously worked on enhanced ports of early Sonic games, with the aid of Headcannon and PagodaWest Games, who were chosen for their work in the Sonic fangame community and was published by Sega. The storyline of the game also ties into the events of Sonic Forces. Eggman and his Hard Boiled Heavies from harnessing a mysterious new energy source. Set in an alternate reality, the game follows Sonic the Hedgehog, Miles 'Tails' Prower, and Knuckles the Echidna as they try to keep Dr. Sonic Mania ( ソニックマニア, Sonikku Mania ?) is a side-scrolling platformer video game in the Sonic the Hedgehog franchise which acts as a celebration of the Sonic series' 25th anniversary.

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