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Per their site:
This is a port of Ritual Entertainment's SiN. You must have the original game files to play. New features include:

A new Linux port
Better resolution support
Controller Support
Weapon radial menu
Gamepad-friendly virtual keyboard
Better menu/interface scaling
https://rohit.itch.io/dominatrix has both Windows and Linux downloads.
Very cool we can finally play the game in 4K with a HUD that's not just 10 pixels in size.
Now, this is very intriguing. Thanks for the heads-up!

Any more info on this port that you maybe already researched?
A new version has just been released.

Dominatrix Version 1.1
Just tried this. Works perfectly with ultrawide resolution too.