Portal of Sigma is an Aleph One scenario with a new story, landscapes, textures, weapons, and updated sprites.
I've repackaged it and fixed a few things with the MML to make everything work with modern Aleph One. -Shappie
Credits
Simon Dupuis, Chris Wheeldon, Andrew Cormier, Rony Sanchez, Goran Svensson, Alex Bolton, Mike Finley, Scott Noblitt, Alex Dupuis