Right click on it, and select 'Screen Resolution'.

Select the option to force it to use Nvidia Graphics Card.

Click on 'Manage 3D Settings' in the left side of the panel, and click 'add'.

See Essential Improvements and Modifications sections for more information. Various mods that enhance the vanilla game are strongly recommended, even for a first playthrough these mods include HQ pre-rendered cutscenes, increased shadow resolution, and HUD upscales. One such notable mod is the Unleashed Project, which ports the 9 'daytime' stages from Sonic Unleashed into the game, replacing the vanilla stages. Sonic Generations features an active modding community players have produced a variety of mods for the game’s stages, models, visual effects, audio, and animations. The DLC was initially an exclusive GameStop pre-order bonus for the console versions that was later made available for purchase on Steam. On September 29, 2016, all Steam users received the Casino Night DLC (an in-game pinball mini-game) for free. Unlike the console versions, the PC version lacks the unlockable copy of the original Sonic the Hedgehog. The PC version of the game was released on Novemon Steam, with Europe and Australia exclusively receiving a physical release. The game is intended to be a celebration of the 20th anniversary of the Sonic the Hedgehog franchise, with it featuring the play-styles and character designs of two different eras of Sonic ('Classic' and 'Modern') and stages based on various games from the franchise spanning 1991 to 2010. Sonic Generations is a singleplayer platform developed by Sonic Team and published by Sega.

10.2.2 Missing Cutscene for Casino Night DLC.

8.8 Modern Sonic's Quickstep sound is missing.

8.7 Crash when trying to play online ranking mode.8.4 Configuration Tool does not open/crashes.

Sonic 06 model mod sonic generations