The resolutions are hard coded - you can hex edit it.
Example for
3440 x 1440 Go to --> ...\Retail\Macrotis A Mothers Journey\macrotis_Data\Managed\
Assembly-CSharp.dllLook for
00 0A 00 00 80 0C 00 00 00 0F 00 00 68 01 00 00 E0 01 00 00 1C 02 00 00 D0 02 00 00 00 03 00 00 84 03 00 00 38 04 00 00 A0 05
and change it to
70 0D 00 00 80 0C 00 00 00 0F 00 00 68 01 00 00 E0 01 00 00 1C 02 00 00 D0 02 00 00 00 03 00 00 84 03 00 00 38 04 00 00 A0 05
OR make it windowed and use borderless gaming -->
https://github.com/Codeusa/Borderless-Gaming/releasesAttachment:
macrotis 2019-06-08 21-52-48-05.jpg [ 670.19 KiB | Viewed 4942 times ]