With the latest update, we have addressed a few issues that have been brought up by the community. Fixes are as follows:
Additional fixes to crashes experienced by users with older or below minimum spec CPUs
Save file system now functions for individual Steam users when the system is shared by multiple Steam users
If you have any feedback, please let us know by adding comments in this topic! If you encounter other issues, please supply the dxdiag and graphic config file (GraphicsConfig.txt) located at C:\Program Files (x86)\Steam\steamapps\common\SonicForces\savedata to SEGA customer support. Thank you for playing!