Rochard

Bowling

Kill an enemy with an object shot with G-Lifter

Death from Above

Kill an enemy by falling on him

Unfriendly Fire

Kill a human enemy with deflected bullets

Kiss Me Deadly

Kill a human enemy with another enemy's body

Electrifried

Electrocute a human enemy

Pack Rat

Collect all upgrades

Second Amendment

Kill 100 enemies using the Rock Blaster

Death on Delivery

Kill 100 enemies using objects shot or dropped with G-Lifter

Say Hello to My Little Friend

Kill 2 or more enemies with a single exploding mechanical enemy

25% Gold Collectibles Found

Collect 25% of all Gold Collectibles

50% Gold Collectibles Found

Collect 50% of all Gold Collectibles

100% Gold Collectibles Found

Collect 100% of all Gold Collectibles

Hidden achievement

Unlock it to reveal

Speed Run

Complete the game in 3 hours or less

Crate Master

Get through the challenge level 'Container Chaos'

Swing King

Get through the challenge level 'Shaft Shuffle'

Brainiac

Get through the challenge level 'Brainyard'

Rivethead

Get through the challenge level 'Assembly Line'