For those trying to launch this in VR in Windows and having trouble with the included shortcut pointing to a nonexistent file, here's how I fixed that:
1. Find GNOG.exe in its install location; right click, and 'Create shortcut'
2. Right click the newly created shortcut and open Properties
3. In the Shortcut properties window, in the Target field, add "--launchvr" without the quotes to the end.
4. Click OK. Use this modified shortcut to open the app, and haaaave fuuuuun