Super fun! I think my only issue is I never quite found a good tactic to get the shy ones reliably. One of your other responses saying the the blackout aliens move 2x speed for the rest of the round helped me with those. I enjoyed looking for the subtle differences and as the infiltration bar got closer to end, I could definitely feel the tension rising!
Also, I feel like Captain Picard was looking at me disapprovingly each time I killed an alien for the sole reason of them being an alien haha