Killzone: Mercenary has a safe yet crass strategy to become the Vita’s top shooter

All that co-developers Guerrilla Cambridge and Guerrilla Amsterdam have to do is make Killzone: Mercenary pretty good, and it’ll be the best shooter on the PlayStation Vita. Considering the current lackluster crop of competition (Call of Duty: Black Ops: Declassified and Resistance: Burning Skies), setting the bar higher is the Guerrillas’ to mess up.