Example:
[ ]:
-beautiful landscapes and panoramas
-lots of destruction and interaction
-taking your own path
-Combat's never the same
-great island atmosphere
-AI (especially Nanosuits at the graveyard) is challenging
-sneak arround in cloak with silenced weapons....
-...or use armor with Scar and Grenades (launcher)
-always beeing able to retreat and rethink the strategy
[-}
-Boss Battles weren't creative enough
-not enough Battles with Team (doesn't count for Warhead)