Use a Beer and a Cigarette within 10 seconds of each other.
Make the Gas Station explode by smoking near the pumps.
Make 10 Mutant dance in a single use of the Wiggler Bomb.
You found the dog.. but at what cost ?
Gamble a total of 20 times.
Kill a total of 1000 Mutant
Kill a total of 500 Mutants.
Kill a total of 100 Mutants.
Kill a total of 5000 Mutants.
Clear 15 rounds in "The Pit" arena
Clear 20 rounds in the "Concrete Valley" arena
Complete the ''Milk Run'' mission.
Complete the ''CIty Pulse'' mission.
Complete ''The Slammer'' mission.
Complete the ''Give it a rest'' mission.
Complete the Training Ground.
Complete the ''Home Sweet Home'' mission.
Finish a mission without taking any damage.
Own every available weapons.
Play some guitar.
You found Ralph's lost ID !
You understood the pattern.
Kill an Armored Mutant by exploding the propane tank on it's back.
999
580342
1147061
648654
310147
143076
110329
16790