Hacked 25 terminals.

Complete adventure mode

Completed Talent Pool.

Recruited all companions.

Got banned from all the Strip's casinos.

Go trunk diving and spend at least $25,000 on Crazy Dave's Twiddydinkies

Bowl a winner with a friend in Co-Op Wall-Nut Bowling

Reached 20th level.

Plant your first 10 peashooters

Caused 10,000 damage with Energy Weapons.

Caused 10,000 damage with Guns.

Reached 10th level.