Bringin' Home the Bacon: make $750 in one episode of Mutant Bash- done during a re-run. I used a bot in the first room and the shotgun thoughout. I think I finished with about $775.
Mr. Oddjob: complete 5 job board jobs in one playthrough
Jetpacker: kill an enforcer using a jet pack- just randomly got this while shooting
Silent but Deadly: get 10 stealth kills with the crossbow- seems like your stealth gets broken too easy sometimes
Demolition Man: destroy 100 enemy cars- this was fun. I liked ramming enemy cars the most (with that grill you win in Wellspring)
It's Good: make all 3 field goals- I saw there was a goal somewhere near the ark site, but other then that I was able to find these myself. Kind of fun ragdolling around.
Three Birds, One Bomb Car: kill 3 enemies with one RC car- done in Mutant Bash. The cars are cool, but they are destroyed too easily
Mechanocide: kill 100 enemies with turrets, cars and bots- used bots the most. Got a ton of kills in Blue Line Station
Deliverance: beat the final round of Strum- I had to write down the notes to do this. I don't know how anyone could memorize that many notes
Minigamer: win money in all minigames- didn't really love any of the game. They're either too hard or too easy.
and story achievements through Vault Assault
What weapon do you usually use?