I'm sure it'd be a great 'Aliens' game. But a great game in general is questionable. They'd have to take a whole new approach to the idea of FPS besides putting a gun in front of your face.
At this rate, they may as well copy paste GMod, throw you in a city, replace all the weapons with sexual toys, and remove clothes all together. Because good god, SR3...
Sad part is that there's always that one guy that'll say ^that's a good game.
Don't listen to that asshat. Just play both. If you're asking if Tera is worth $50, that's a different story. One is a pay to play MMO, the other is buy to play. That's like comparing Max Payne with Planetside
OGKNav's comments