|Trophy: Land Shark|
It is best to obtain this trophy is in Abducted, in the first large area that is full of enemies and cover spots. This is simply because this area has a large quantity of water-accessible hiding spots and shelter areas, and plentiful enemies, only a few of which are truly deadly. This trophy can be attained in only one try, however a good strategy is to start off in the aforementioned area and get a few kills, and then simply restart the checkpoint. Continue killing enemies and restarting the checkpoint, and you will eventually reach 20 kills and receive the trophy. A video walkthrough of this trophy can be found here.