We love first-person games like Metroid Prime, but aren't particularly excited about shooting up other players. Maybe that's why we loved playing Sanctum 2 with aliaspseudonym. It's an awesome sci-fi first-person tower defence game with multiple playable female characters, one completely androgynous robot, a comic book storyline, gorgeous graphics, and a sense of humour.
Here's a gameplay trailer:
And here's the ridicularious nineties-tastic trailer for their first expansion!
Let us know if any of you get it while it's on sale and want to try playing it online. We might be up for it, although we tend to have really bad lag. >_>;