Maybe this is too out there but...
Name: Metroid Prime Trilogy w/ PrimeHack
Website: https://github.com/SirMangler/PrimeHack-Updater/releases
Status: 1.0 is out but development continues
Availability: PrimeHack is free, but a dump of the Wii game is required
The FAQ says you can simply multiply a Source engine sens by 4.62 but I'm not sure that's right