When base is under attack? It really takes the fucking piss - exactly when you need to spawn most, you don't friggin spawn!!
Also, the game is totally unbalanced.
S1 Human ( S1 Alien
S2 Human ) S2 Alien
S3 Human = S3 Alien
Imagine the brackets are greater than/less than symbols, your board bugs out to fuck if I use them.
I know you could say they balance each other out but that's bollocks. I think it's the reason humans always camp extreme until S3, which is another very fucking annoying part of the game. :S