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Submitted by: Stealth/Ebay.com Sonic CD 712 is an late pre-release version of the game. The game itself is done, but the debug tools are still active via the second controller, but has no 2-player abilities. This was used to sort out the final bugs in the game. |
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Submitted by: Stealth/Ebay.com Sonic CD 920 is the final Japanese game, with the Japanese soundtrack, but set for US systems. The final game has a whole different soundtrack for the US game. |
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What
are Sonic CD 712 and 920?
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