Unlock uniforms:
Alien Hunter:
Kill all snipers in the mission A Night to Remember.
Bad Blood + Maul upgrade:
Destroy the large computer at the start of the mission The New Flesh.
City Hunter uniform:
Kill 50 aliens in the mission Bug Hunt.
Dark Blade Clan:
Ignore the 1st enemies and kill a man instead on the mission Extinction.
Jungle Hunter uniform:
Kill the Irish boss in the mission Midsummer Night's Massacre.
Ritual Armor:
Destroy the 3 trucks after following El Hongo. The 1st truck is by a
billboard at the start of the mission. The 2nd truck is in a car park,
and the 3rd truck is at the south-east edge of the level.
Combos:
Combos always contain five strikes.
Hard attack combo:
Pressing the attack buttons any order.
Triangle, Triangle, Circle, Triangle, Circle.
Heavy attack combo:
Press Triangle, Circle, Triangle, Circle, Triangle.
Light attack combo:
Press Circle, Triangle, Circle, Triangle, Circle.
Light combo:
Circle, Circle, Circle, Circle, Circle
