

These included the logo for Sonic Anniversary, PSP button prompts, a debug menu, and an image from a level, possibly Mushroom Hill. In July 2020, along with the announcement that the majority of the data was lost, some images of basic UI assets were revealed. The disk was damaged with recovery seemingly impossible however, 14 MB of data would be saved. On, the video game preservation group Obscure Gamers obtained a debug backup disc of the PlayStation Portable version of the game dating back to November 2009. With the game's official release, it is uncertain how far the Wii, PlayStation 2 and Nintendo DS versions got in development, though sources suggest that they were cancelled early in said development.

When asked about whether or not it was planned for the Xbox 360, the employee indicated that talks were still going.

However, later sources from Madrid’s Gamefest 2010 confirmed that the game was meant to be a combination of 2D and 3D gameplay, and would have been developed for the Wii, PlayStation Portable, PlayStation 3 and Nintendo 3DS. The first version of Sonic Generations – Unleashed Project will feature these stages: Windmill Isle (Tutorial Level), Windmill Isle, Savannah Citadel, Rooftop Run, Dragon Road, Cool Edge, Arid Sands,Empire City and Jungle Joyride.According to a leaked correspondence, Sonic Generations was meant to be made as part of deal between Sega of America and Sony Corporation of America for their consoles under the original working title " Sonic Anniversary." Also, back then, there were not additional ports for the Xbox 360 or PC. Team Unleashed recommends using a new renderer for this project, and you can find a video from this updated renderer below. There is no release date currently, but the team is trying its best to get it out as soon as possible. In other words, you won’t need to have Sonic Unleashed in order to enjoy it. According to the team, this mod will only require Sonic Generations.

In other words, this will be the definite version of Sonic Unleashed, and this new video shows off the Cool Edge stage. Sonic Generations – Unleashed Project is a mod for Sonic Generation that aims to port back most of Sonic Unleashed’s day levels, along with the new refined controls of Generations, screen resolution improvements and more. Team Unleashed has released a new video for its upcoming Sonic Generations – Unleashed Project mod.
