: Many files labeled as "Sonic.exe" are actually "creepypasta" horror games or literal computer viruses designed to corrupt files.
If you already have the official game and want to enhance it, the community provides several safe tools: download-sonic-lost-world-the-games-download-exe
Searching for direct .exe downloads outside of official platforms often leads to: : Many files labeled as "Sonic
: NVIDIA GeForce 8800 (512MB) / ATI Radeon HD 2900 (512MB) download-sonic-lost-world-the-games-download-exe