You're looking for information on Sonic World V7 Ultimate and its download. Sonic World is a fan-made game that combines elements from various Sonic games, and version 7 Ultimate seems to be a repackaged or enhanced version of the game.
Sonic World is a fan-made 3D engine and game that pays homage to the Sonic Adventure and Sonic Heroes eras. The "V7 Ultimate REPACK" typically refers to community-curated bundles of the original , which debuted around 2016.
: Every stage includes multiple objectives, such as Treasure Hunting, Time Attack, and Boss Battles, increasing replay value.
However, for a stable, better-looking, and better-running experience in 2026, you should skip V7 and download the modern Sonic World DX official Sonic World website