Sonic CD is a classic platformer game that was highly acclaimed upon its release. The game follows Sonic as he battles to rescue Amy Rose and recover the seven Time Stones, while traveling through time to defeat Dr. Eggman and his creation, Metal Sonic. The game is part of the SEGA Forever classic games collection, which brings free SEGA console classics to mobile devices. Game features include collecting all seven Time Stones, time travel between past, present, and future versions of each level, using Sonic's spin dash and super peel out moves, and unlocking Miles "Tails" Prower by clearing the game.

SEGA Forever features include playing for free, saving game progress, competing with the world for high scores on leaderboards, HID compatible controller support, and the ability to download all games. Sonic CD now features both the US and Japanese soundtracks. Trivia about Sonic CD includes being the first game to feature Sonic speaking, featuring a secret spooky message screen for data pirates, having two endings, and being the first in the series to feature full motion video cut scenes.

Classic game facts include Sonic CD first releasing in Japan on September 23, 1993, being the SEGA CD's best-selling game of all time at 1.5 million copies, and being the first Sonic game to feature CD-quality Red Book audio. The game was remastered in 2011 by Christian Whitehead, the man behind Sonic Mania. The game is ad-supported, but no in-app purchases are required to progress. An ad-free play option is available with an in-app purchase.

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Overall, Sonic CD is a classic game that has stood the test of time. With its engaging gameplay, time travel mechanics, and iconic characters, it is a must-play for any fan of the Sonic franchise. The game is available for free on mobile devices through the SEGA Forever collection, and features both the US and Japanese soundtracks. While the game is ad-supported, an ad-free play option is available with an in-app purchase.

Sonic CD is a game that has made a significant impact on the gaming industry. It was the first game to feature Sonic speaking, and it introduced new characters such as Amy Rose and Metal Sonic. The game also featured time travel mechanics, which allowed players to travel between past, present, and future versions of each level. Sonic CD was remastered in 2011 by Christian Whitehead, the man behind Sonic Mania, and is now available for free on mobile devices through the SEGA Forever collection.

SEGA Forever features include playing for free, saving game progress, competing with the world for high scores on leaderboards, HID compatible controller support, and the ability to download all games. Sonic CD is ad-supported, but no in-app purchases are required to progress. An ad-free play option is available with an in-app purchase. The game may include "Interest Based Ads" and may collect "Precise Location Data," but users under 13 are exempt. For more information, see the privacy policy.