I absolutely love Portal! I want a weighted companion cube for Christmas! Given that your character is female I figured it would go over big with women, and the main character certainly is a strong one. But is there more to the story? Is there really a lesbian undercurrent to events in the game? Regardless of whether there is or isn't, Portal is a game everyone should play! We've got two articles relating to Portal and women here PLUS a link to a free web-based Flash version - Portal - Flash version.

Portal: The latest, greatest women’s game?

‘Portal’ Is for Lesbians