Die during the boss fight

Put the laptop together

Defeat the boss

Smash the enemy to the ground with gravity gun

Ride the elevator with the drone helper in story mode

Defeat 5 enemies in a row with environmental assets only without taking any damage.

Defeat 10 enemies in a row using the Combo Module level 10

Take more than 1000 damage in a single playthrough.

Die after 50th wave

Eliminate 3rd boss without hitting him in the eye