Ace Combat SS: The Young Yellow was the working title for a concept of an unreleased Ace Combat game on the PlayStation 2. The game's concept was rediscovered by Kazutoki Kono in March 2015, while going through old files on his computer.
- "The Young Yellow" implies that the game would have been centered around Yellow 13 and his activity prior to the Continental War depicted in Ace Combat 04: Shattered Skies.
- Given that the game never passed the concept stage, it is likely to never be fully developed or released.
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