must defeat the fourth Alien level, Gateway, in under four and a half
minutes with an average speed of 9 m/s or greater.
second Alien bonus level with 20 live marine head bites.
acquire TRIPTASTIC, you must defeat the second Predator bonus level,
Escape, with 10 civilian trophies.
SNIPERMUNCH, you must defeat the first Alien level, Temple, and score
10 live civilian head bites.
level, Ferarco, with 15 dead civilian head bites.
TICKERTAPE, you must defeat the first Predator bonus level, Invasion,
with 15 alien trophies.