Destructoid notes Windows PC listings for Sonic Generations on the websites for Direct2Drive and Green Man Gaming, indicating there are PC plans for the console platformer sequel. The game carries a $29.99 USD price tag, and the following system specs are offered:

Minimum Requirements
Microsoft Windows 7/Vista/XP Intel Pentium Dual-Core T4200 (2x2.0GHz) or AMD equivalent 2GB RAM (Windows 7/XP)/3GB RAM (Windows Vista) NVIDIA GeForce 8800 / ATI Radeon HD 2900 11 GB free hard drive space

Recommended Requirements
Microsoft Windows 7 Intel Core i5 @ 2.66 GHz / AMD Phenom II X4 @ 3.0 GHz 3GB RAM NVIDIA GeForce GTX 460 / ATI Radeon HD 5850 11 GB free hard drive space