Finally got around to finishing the last level... it took me a few tries.
Very good game IMO, especially for the $30. Could have been a bit longer, but I didn't miss the VTOL or Alien ship levels from the original at all. Maybe one more section in the jungle would have been good, and 1 more big alien to take down, but w/e. The plot was better in this one, and the cutscenes were actually interesting.
Looked great, fun gameplay, fun weapons, ran pretty well.