Thus far, I would have to lean towards Adrift. It lacks viable flanking avenues, leading to very campy game play. Whereas Haven has an easily accessible center, Adrift limits its players to perimeter game play without the option to circumvent.
As for smaller maps..I can't remember the name of it, but the one that has a real countdown feel in the centre, and the man-cannons on the outside areas linking those corner spots....yeah, bad description, I know haha.
I am the rocks of the eternal shore...crash against me and be broken! GT: Deadly Mantodea