is an indie game hosting platform — it does not sell official SEGA games. So you will not find the official Sonic Generations PC game for download on GameJolt.
This is a detailed guide regarding — including what you can actually find there, the difference between official and fan-made content, and how to stay safe. 1. Important Clarification: Official vs. GameJolt Sonic Generations is a commercial game developed by Sonic Team and published by SEGA (released 2011). It is not free and is available officially on Steam (PC), Xbox, and PlayStation. sonic generations pc gamejolt