Not happy with this, Modern Sonic tries to attack the monster, only for it to knock him down. Modern Sonic celebrates his birthday with his friends until the Time Eater disrupts the party by sucking everyone through various Time Holes and scattering them across time and space. Arriving soon after, Modern Sonic discovers that his friends have been preparing a surprise birthday party for him, as it is his birthday. In the present day, Tails arrives at a gathering that is attended by his friends. Soon after though, a mysterious entity known as the Time Eater appears in the sky and everything whites out. The game opens with the distant past Classic Sonic is running through Green Hill until he hears a noise and senses a brief earthquake, though he ignores it.

Spoiler warning: Plot, ending details or any kind of information follow. Teaming up with a younger version of himself, Sonic explores White Space to find his friends, defeat the Time Eater and return home. In Sonic Generations, Sonic celebrates his birthday party with his friends, only for them to be kidnapped by the Time Eater and left trapped in White Space. In April 2018, the Xbox 360 version of the game was made backwards compatible with the Xbox One and supports Xbox One X enhanced features, as well as FPS Boost for the Xbox Series X and Series S since 15 November 2021, making the game run at 60fps. The PlayStation 3 version was available to be streamed on the PlayStation 4, PlayStation 5, and PC via the PS Now subscription service, with PlayStation 3, PlayStation Vita, Sony Bravia Smart TV (2013, 2014, 20 models), Sony Blu-Ray players and Samsung Smart TV support for the service being dropped in 2017. All versions of this game can be played in stereoscopic 3D, but a 3DTV as well as a pair of 3D glasses are required for the PlayStation 3 and Xbox 360 versions, being the first game of the franchise to support stereoscopic 3D.

While the game came out in home consoles and PC, an alternate version of the game was also released by Dimps for the Nintendo 3DS. 'Sonic Generations: White Space-time') is a platformer video game developed by Sonic Team and published by Sega in late 2011, to celebrate the 20th anniversary of the Sonic the Hedgehog series. Sonic Generations ( ソニックジェネレーションズ：白の時空, Sonikku Jenerēshonzu: Shiro no Jikū ?, lit.

Sonic model generations vs forces